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LONG RANGE WI-FI DISH ANTENNA BUILDING A FEED FOR THE WI FI DISH ANTENNA. For very long range wireless networking, I have used a short 5 turn version of the helical wifi antenna, left hand polarized, with an 80 cm parabolic reflector.Signals were about 26 dB stronger than on a simple dipole! AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. HOW TO RECORD FROM WEBSDR AND OPENWEBRX SITES Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). LINEAR FOCUS PARABOLIC WIFI ANTENNA Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. WI FI EXTENDER ANTENNA FOR ROUTERS Many techniques of wireless network range enhancement focus on the use of high gain antennas at client end of the link. For example, the wi fi yagi seen on this page has been used for years on a USB wireless adapter. It facilitated connections to wireless hotspots over several city blocks, and distances of kilometers over open space. HIGH GAIN YAGI WIFI ANTENNA If your goal is to get wireless internet from another building and use it indoors, you should instead consider using a wireless bridge. If you want to provde strong wireless internet coverage to an area, but cannot provide a fiber optic or ethernet cable to your wireless router, again consider using a wireless bridge to substitute for the unavailable cable, and connect the bridge to the router. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces NATURAL VLF RADIO LISTENING: STREAMING AUDIO Streaming audio from the VLF receivers listed above are quite reliable; if one is offline, simply try one of the others. See also the Live VLF Natural Radio page for updates. Most fascinating to listen to are the stereo audio streams, which can become quite active during geomagnetic storms.. ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
LONG RANGE WI-FI DISH ANTENNA BUILDING A FEED FOR THE WI FI DISH ANTENNA. For very long range wireless networking, I have used a short 5 turn version of the helical wifi antenna, left hand polarized, with an 80 cm parabolic reflector.Signals were about 26 dB stronger than on a simple dipole! LONG RANGE WIFI ANTENNAS Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com.SKYWAVE LINUX
Skywave Linux is an operating system using bleeding-edge technology to robustly access broadcast, utility, military, and amateur radio signals from almost anywhere in the world, including countries with restrictive internet environments. HF AERONAUTICAL RADIO Boeing 757 Electronic Equipment Bay . In the center of the above photograph, looking much like all of the other rack-mounted boxes, is the HF transciever - a Rhode and Schwarz XK-516D. LONG RANGE WI-FI DISH ANTENNA BUILDING A FEED FOR THE WI FI DISH ANTENNA. For very long range wireless networking, I have used a short 5 turn version of the helical wifi antenna, left hand polarized, with an 80 cm parabolic reflector.Signals were about 26 dB stronger than on a simple dipole! WI FI MAN IN THE MIDDLE ATTACKS Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. BOOTING MULTIPLE LINUX DISC IMAGES WITH GRUB2 Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. APOLLO UNIFIED S BAND COMMUNICATIONSSYSTEM Signal Characteristics. The Apollo Unified S-Band System used the 2025-2110 MHz band for uplinks (earth to space transmissions) and the 2200-2290 MHz band for downlinks (space to CHINESE ANTI-STEALTH VHF RADAR Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. NUCLEAR WARRIORS ON HF RADIO Thomas P. M. Barnett, a well known expert on the large scale military affairs, asserts that great-power warfare is unlikely to ever occur between nuclear powers.Core industrialized countries are becoming more economically intertwined and less likely to engage RT2860 WIRELESS DRIVER WITH LINUX KERNELS 2.6.27 There are a considerable number of people using computers with Linux that depend on Ralink RT2860 devices for wireles network access. As usage of the advanced kernels increases, older wireless drivers lose compatability, and require replacement. AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE AB9IL.net - Article Index. Article Index --- click here to unfold ---. Software Defined Radio Reviews and Analysis. WiFi Antennas, Extenders, and Bridges. Linux: Distros, Programming, and Scripts. Air and Space Radio, Tech, and Projects. Windows 10: Debloating and Tweaking for Speed. Digital Audio Configuration. WI FI EXTENDER ANTENNA FOR ROUTERS Duct tape or cable ties (they're non-metallic) for securing the pigtail and antenna. To assemble the high gain antenna and router combination, accomplish the following steps: Solder the pigtail to the antenna driven element. Center conductor to one side and shield to the other. Secure the pigtail with one or two cable ties, preventingmovement
WEBSDR DIGIMODE RECEPTION Reception of digital radio modes from a WebSDR site is similar to using a local transciever. For example, tuning the W4AX WebSDR to 14.070 (in upper sideband mode) reveals plenty of psk-31 signals when the 20 meter band is open. In FLdigi, one can see that the receiver gain is set rather high, with lots of background noise and rather weak signals activating the AGC. LINEAR FOCUS PARABOLIC WIFI ANTENNA A Faster Windows 7. Windows 7 SSD Setup. Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. HIGH GAIN YAGI WIFI ANTENNA The yagi wifi antenna design depicted here can be built in just an hour or two, and it works great! It is computer designed, made of wood and wire, and provides high gain and directivity. It is directional - favoring wi-fi signals in one direction and rejecting interference from the sides or behind the antenna. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). LONG RANGE WI-FI DISH ANTENNA The biquad wifi antenna pictured below was built out of junk parts one afternoon, and enabled very good long range 802.11 connections on its own. Mounted at the focal point of a surplus DirecTV dish, it provided full-scale signals from otherwise weak access points. A biquad made from junkbox parts. It was an excellent wifi dish feeder! NATURAL VLF RADIO LISTENING: STREAMING AUDIO Natural radio is a specialty involving signals of natural origin within the Very Low Frequency spectrum and below. most of the natural signals are found between 400 Hz and 10,000 Hz. Many of these signals are crated by terrestrial weather (lightning), and others aregenerated by
ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE AB9IL.net - Article Index. Article Index --- click here to unfold ---. Software Defined Radio Reviews and Analysis. WiFi Antennas, Extenders, and Bridges. Linux: Distros, Programming, and Scripts. Air and Space Radio, Tech, and Projects. Windows 10: Debloating and Tweaking for Speed. Digital Audio Configuration. WI FI EXTENDER ANTENNA FOR ROUTERS Duct tape or cable ties (they're non-metallic) for securing the pigtail and antenna. To assemble the high gain antenna and router combination, accomplish the following steps: Solder the pigtail to the antenna driven element. Center conductor to one side and shield to the other. Secure the pigtail with one or two cable ties, preventingmovement
WEBSDR DIGIMODE RECEPTION Reception of digital radio modes from a WebSDR site is similar to using a local transciever. For example, tuning the W4AX WebSDR to 14.070 (in upper sideband mode) reveals plenty of psk-31 signals when the 20 meter band is open. In FLdigi, one can see that the receiver gain is set rather high, with lots of background noise and rather weak signals activating the AGC. LINEAR FOCUS PARABOLIC WIFI ANTENNA A Faster Windows 7. Windows 7 SSD Setup. Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. HIGH GAIN YAGI WIFI ANTENNA The yagi wifi antenna design depicted here can be built in just an hour or two, and it works great! It is computer designed, made of wood and wire, and provides high gain and directivity. It is directional - favoring wi-fi signals in one direction and rejecting interference from the sides or behind the antenna. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). LONG RANGE WI-FI DISH ANTENNA The biquad wifi antenna pictured below was built out of junk parts one afternoon, and enabled very good long range 802.11 connections on its own. Mounted at the focal point of a surplus DirecTV dish, it provided full-scale signals from otherwise weak access points. A biquad made from junkbox parts. It was an excellent wifi dish feeder! NATURAL VLF RADIO LISTENING: STREAMING AUDIO Natural radio is a specialty involving signals of natural origin within the Very Low Frequency spectrum and below. most of the natural signals are found between 400 Hz and 10,000 Hz. Many of these signals are crated by terrestrial weather (lightning), and others aregenerated by
ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
AB9IL.NET - ARTICLE INDEX AB9IL.net - Article Index. Article Index --- click here to unfold ---. Software Defined Radio Reviews and Analysis. WiFi Antennas, Extenders, and Bridges. Linux: Distros, Programming, and Scripts. Air and Space Radio, Tech, and Projects. Windows 10: Debloating and Tweaking for Speed. Digital Audio Configuration. WEBSDR DIGIMODE RECEPTION Reception of digital radio modes from a WebSDR site is similar to using a local transciever. For example, tuning the W4AX WebSDR to 14.070 (in upper sideband mode) reveals plenty of psk-31 signals when the 20 meter band is open. In FLdigi, one can see that the receiver gain is set rather high, with lots of background noise and rather weak signals activating the AGC. HF AERONAUTICAL RADIO Airborne HF Aero Radio Equipment. Compared to a typical amateur or SWL station, the aeronautical radio equipment performs to high standards, but does not have much operational flexibility. For example, the oscillators are dead-on accurate and stable, but can only tune inwhole 1 kHz steps.
HOW TO RECORD FROM WEBSDR AND OPENWEBRX SITES Best OpenWebRX and WebSDR Servers. Skywave Linux: HPSDR, WebSDR, and RTL-SDR ready to run. CubicSDR on Debian, Ubuntu, and Linux Mint. Dump1090 for Linux Mint 17.1 and Siduction 2014.1. Software Defined Radio - An Introduction. QS1R Direct Sampling SDR. Chaining SDR Audio Interfaces. FLEX-6000 Direct Sampling SDR.SKYWAVE LINUX
Skywave Linux is a 64 bit system, built on a base of Ubuntu 20.04 LTS, uses the MATE Desktop and i3 Window Manager. It is the additional digital signal processing, networking, and signal decoding applications that set Skywave Linux apart from its original basesoftware.
CUBICSDR - AB9IL.NET Here is a simple script which will download, compile, and install what is needed to run CubicSDR: If using a 32 bit system, adjust the script as needed. Copy and paste the script into a text editor. Save it as cubicsdr-installer.sh. Make it executable, and run it as root with the shell command: CubicSDR can be run now by clicking on the BOOTING MULTIPLE LINUX DISC IMAGES WITH GRUB2 Boot the machine into Linux from a live DVD or USB stick, mount the partition, and then write the Grub2 data to the second partition as shown below: 1) Open the terminal and get root priveleges: sudo su. 2) Verify the location of the second drive partition: fdisk -l. 3) Set up a mount point to work on the partition. CHINESE ANTI-STEALTH VHF RADAR Chinese Anti-Stealth Radar 2013-11-25-0918 UTC. There may be two separate radars operating on the same frequencies, or perhaps one radar runing in two modes. If similar to older radars, the lower frequency buzz would be the long range search mode. Higher pitched signals would correspond to a short range mode which would much moreaccurately
NUCLEAR WARRIORS ON HF RADIO It is the phonetically encoded, highly cryptic messages heard at intervals on specific HF and VHF frequencies. Known as "Emergency Action Messages" (EAMs), they are warfighting instructions to the United States nuclear forces. As practitioners of nuclear warfare, these forces constantly train drill with the intention of making nomistakes with
ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE AB9IL.net - Article Index. Article Index --- click here to unfold ---. Software Defined Radio Reviews and Analysis. WiFi Antennas, Extenders, and Bridges. Linux: Distros, Programming, and Scripts. Air and Space Radio, Tech, and Projects. Windows 10: Debloating and Tweaking for Speed. Digital Audio Configuration. WI FI EXTENDER ANTENNA FOR ROUTERS Duct tape or cable ties (they're non-metallic) for securing the pigtail and antenna. To assemble the high gain antenna and router combination, accomplish the following steps: Solder the pigtail to the antenna driven element. Center conductor to one side and shield to the other. Secure the pigtail with one or two cable ties, preventingmovement
HOW TO RECORD FROM WEBSDR AND OPENWEBRX SITES Best OpenWebRX and WebSDR Servers. Skywave Linux: HPSDR, WebSDR, and RTL-SDR ready to run. CubicSDR on Debian, Ubuntu, and Linux Mint. Dump1090 for Linux Mint 17.1 and Siduction 2014.1. Software Defined Radio - An Introduction. QS1R Direct Sampling SDR. Chaining SDR Audio Interfaces. FLEX-6000 Direct Sampling SDR. LINEAR FOCUS PARABOLIC WIFI ANTENNA A Faster Windows 7. Windows 7 SSD Setup. Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. HIGH GAIN YAGI WIFI ANTENNA The yagi wifi antenna design depicted here can be built in just an hour or two, and it works great! It is computer designed, made of wood and wire, and provides high gain and directivity. It is directional - favoring wi-fi signals in one direction and rejecting interference from the sides or behind the antenna. QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB).MALACHITE MINI SDR
The Malachite SDR is a SoftRock radio on steroids. Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces LONG RANGE WI-FI DISH ANTENNA The biquad wifi antenna pictured below was built out of junk parts one afternoon, and enabled very good long range 802.11 connections on its own. Mounted at the focal point of a surplus DirecTV dish, it provided full-scale signals from otherwise weak access points. A biquad made from junkbox parts. It was an excellent wifi dish feeder! ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE AB9IL.net - Article Index. Article Index --- click here to unfold ---. Software Defined Radio Reviews and Analysis. WiFi Antennas, Extenders, and Bridges. Linux: Distros, Programming, and Scripts. Air and Space Radio, Tech, and Projects. Windows 10: Debloating and Tweaking for Speed. Digital Audio Configuration. WI FI EXTENDER ANTENNA FOR ROUTERS Duct tape or cable ties (they're non-metallic) for securing the pigtail and antenna. To assemble the high gain antenna and router combination, accomplish the following steps: Solder the pigtail to the antenna driven element. Center conductor to one side and shield to the other. Secure the pigtail with one or two cable ties, preventingmovement
HOW TO RECORD FROM WEBSDR AND OPENWEBRX SITES Best OpenWebRX and WebSDR Servers. Skywave Linux: HPSDR, WebSDR, and RTL-SDR ready to run. CubicSDR on Debian, Ubuntu, and Linux Mint. Dump1090 for Linux Mint 17.1 and Siduction 2014.1. Software Defined Radio - An Introduction. QS1R Direct Sampling SDR. Chaining SDR Audio Interfaces. FLEX-6000 Direct Sampling SDR. LINEAR FOCUS PARABOLIC WIFI ANTENNA A Faster Windows 7. Windows 7 SSD Setup. Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. HIGH GAIN YAGI WIFI ANTENNA The yagi wifi antenna design depicted here can be built in just an hour or two, and it works great! It is computer designed, made of wood and wire, and provides high gain and directivity. It is directional - favoring wi-fi signals in one direction and rejecting interference from the sides or behind the antenna. QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB).MALACHITE MINI SDR
The Malachite SDR is a SoftRock radio on steroids. Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces LONG RANGE WI-FI DISH ANTENNA The biquad wifi antenna pictured below was built out of junk parts one afternoon, and enabled very good long range 802.11 connections on its own. Mounted at the focal point of a surplus DirecTV dish, it provided full-scale signals from otherwise weak access points. A biquad made from junkbox parts. It was an excellent wifi dish feeder! ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
SKYWAVE LINUX
Skywave Linux is a 64 bit system, built on a base of Ubuntu 20.04 LTS, uses the MATE Desktop and i3 Window Manager. It is the additional digital signal processing, networking, and signal decoding applications that set Skywave Linux apart from its original basesoftware.
LONG RANGE WIFI ANTENNAS For very long range wifi links, use a short helical, yagi, or biquad antenna mounted at the focus of a parabolic reflector. Wifi dish antennas offer the highest possible gain and longest connection range. There are high power wifi boosters advertised for very long range connections, but a high gain antenna is the first thing needed.YouTube.
HF AERONAUTICAL RADIO Airborne HF Aero Radio Equipment. Compared to a typical amateur or SWL station, the aeronautical radio equipment performs to high standards, but does not have much operational flexibility. For example, the oscillators are dead-on accurate and stable, but can only tune inwhole 1 kHz steps.
LONG RANGE WI-FI DISH ANTENNA The biquad wifi antenna pictured below was built out of junk parts one afternoon, and enabled very good long range 802.11 connections on its own. Mounted at the focal point of a surplus DirecTV dish, it provided full-scale signals from otherwise weak access points. A biquad made from junkbox parts. It was an excellent wifi dish feeder! APOLLO UNIFIED S BAND COMMUNICATIONSSYSTEM The Apollo Unified S Band System also provided distance measurements accurate to within 30 meters. The tracking station generated a pseudo-random-noise sequence at 994 kilobit/s and phase modulated it on the uplink carrier. The spacecraft transponder echoed this pseudo-noise signal back to HIGH GAIN HELICAL WIFI ANTENNA Space the turns 2.5 cm on a. tube of 3.9cm outer diameter. Here is a table used for my prototype helical wifi antenna and its connector. Note that turn 1 starts at 0.8 cm (height above ground plane of feedpoint). Turns Spacing is 2.5 cm, and the diameter is 3.9 cm (close enough for 1.5" PVC tailpiece). If your connector can be trimmed toallow
CHINESE ANTI-STEALTH VHF RADAR Chinese Anti-Stealth Radar 2013-11-25-0918 UTC. There may be two separate radars operating on the same frequencies, or perhaps one radar runing in two modes. If similar to older radars, the lower frequency buzz would be the long range search mode. Higher pitched signals would correspond to a short range mode which would much moreaccurately
NUCLEAR WARRIORS ON HF RADIO It is the phonetically encoded, highly cryptic messages heard at intervals on specific HF and VHF frequencies. Known as "Emergency Action Messages" (EAMs), they are warfighting instructions to the United States nuclear forces. As practitioners of nuclear warfare, these forces constantly train drill with the intention of making nomistakes with
ANDY'S HAM RADIO LINUX 15 First, freshen the system and install the prerequisite packages. Some are already installed in Andy's Ham Radio Linux, so open a terminal and do an update. Remember, the "$" means do it in the terminal as a normal user. For root permssions, the normal user will use "sudo": $ RT2860 WIRELESS DRIVER WITH LINUX KERNELS 2.6.27 Follow the procedure below to install the RT2860 wireless driver in Debian Linux based systems (Aptosid, Ubuntu, Knoppix, etc) using kernel versions through 2.6.29. If your system uses Linux kernel 2.6.30 or later, better wi fi drivers are in the Compat Wireless package. Compile and install it instead of this older RT2860 driver. AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. WI FI EXTENDER ANTENNA FOR ROUTERS Many techniques of wireless network range enhancement focus on the use of high gain antennas at client end of the link. For example, the wi fi yagi seen on this page has been used for years on a USB wireless adapter. It facilitated connections to wireless hotspots over several city blocks, and distances of kilometers over open space. HOW TO RECORD FROM WEBSDR AND OPENWEBRX SITES Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. LINEAR FOCUS PARABOLIC WIFI ANTENNA Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. HIGH GAIN YAGI WIFI ANTENNA If your goal is to get wireless internet from another building and use it indoors, you should instead consider using a wireless bridge. If you want to provde strong wireless internet coverage to an area, but cannot provide a fiber optic or ethernet cable to your wireless router, again consider using a wireless bridge to substitute for the unavailable cable, and connect the bridge to the router. NATURAL VLF RADIO LISTENING: STREAMING AUDIO Streaming audio from the VLF receivers listed above are quite reliable; if one is offline, simply try one of the others. See also the Live VLF Natural Radio page for updates. Most fascinating to listen to are the stereo audio streams, which can become quite active during geomagnetic storms..MALACHITE MINI SDR
The Malachite SDR is a SoftRock radio on steroids. Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. WI FI EXTENDER ANTENNA FOR ROUTERS Many techniques of wireless network range enhancement focus on the use of high gain antennas at client end of the link. For example, the wi fi yagi seen on this page has been used for years on a USB wireless adapter. It facilitated connections to wireless hotspots over several city blocks, and distances of kilometers over open space. HOW TO RECORD FROM WEBSDR AND OPENWEBRX SITES Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. LINEAR FOCUS PARABOLIC WIFI ANTENNA Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. HIGH GAIN YAGI WIFI ANTENNA If your goal is to get wireless internet from another building and use it indoors, you should instead consider using a wireless bridge. If you want to provde strong wireless internet coverage to an area, but cannot provide a fiber optic or ethernet cable to your wireless router, again consider using a wireless bridge to substitute for the unavailable cable, and connect the bridge to the router. NATURAL VLF RADIO LISTENING: STREAMING AUDIO Streaming audio from the VLF receivers listed above are quite reliable; if one is offline, simply try one of the others. See also the Live VLF Natural Radio page for updates. Most fascinating to listen to are the stereo audio streams, which can become quite active during geomagnetic storms..MALACHITE MINI SDR
The Malachite SDR is a SoftRock radio on steroids. Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
WEBSDR DIGIMODE RECEPTION Updated 04/02/2016: Pulseaudio, Jack Audio / Alsa Loopback Device. WebSDR and OpenWebRX represent the cutting edge of internet controlled, remotely operated radio receivers. These sites offer sections of radio spectrum to listeners, who can each select their own frequencies and modes. One can listen to upper or lower sideband, AM or CW, and individually adjustable sharp filtering. QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). LONG RANGE WI-FI DISH ANTENNA BUILDING A FEED FOR THE WI FI DISH ANTENNA. For very long range wireless networking, I have used a short 5 turn version of the helical wifi antenna, left hand polarized, with an 80 cm parabolic reflector.Signals were about 26 dB stronger than on a simple dipole! QUICK-TUNABLE INTERNET SDR SERVERS The software defined radio servers listed here have been selected for geographical coverage and quality of reception. Performance and coverage vary depending on hardware, internet bandwidth, and radio conditions at individual sites. HIGH GAIN HELICAL WIFI ANTENNA Boost your wifi with this unique wifi antenna that can greatly extend your wireless networking range and speed. When built with ten or more turns, this helical wifi antenna vastly outperforms the cantennas and wi fi wok tops often seen on the internet. HF AERONAUTICAL RADIO Boeing 757 Electronic Equipment Bay . In the center of the above photograph, looking much like all of the other rack-mounted boxes, is the HF transciever - a Rhode and Schwarz XK-516D. CUBICSDR - AB9IL.NET CubicSDR version 0.1.3-beta has been released, with significant new features and improvements. For software defined radio listeners familiar with GQRX and GNU Radio, it WINDOWS 10 DEBLOATING 2021 It may seem strange that one who primarily uses and writes about Linux would put up a page about removing bloat from Windows 10. In truth, I am actually a user of Windows 10 from time to time, and have friends and family who often ask me first when they questions about the performance of their computers. CHINESE ANTI-STEALTH VHF RADAR Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. NUCLEAR WARRIORS ON HF RADIO Thomas P. M. Barnett, a well known expert on the large scale military affairs, asserts that great-power warfare is unlikely to ever occur between nuclear powers.Core industrialized countries are becoming more economically intertwined and less likely to engage AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE AB9IL.net - Article Index. Article Index --- click here to unfold ---. Software Defined Radio Reviews and Analysis. WiFi Antennas, Extenders, and Bridges. Linux: Distros, Programming, and Scripts. Air and Space Radio, Tech, and Projects. Windows 10: Debloating and Tweaking for Speed. Digital Audio Configuration. WI FI EXTENDER ANTENNA FOR ROUTERS Duct tape or cable ties (they're non-metallic) for securing the pigtail and antenna. To assemble the high gain antenna and router combination, accomplish the following steps: Solder the pigtail to the antenna driven element. Center conductor to one side and shield to the other. Secure the pigtail with one or two cable ties, preventingmovement
HOW TO RECORD FROM WEBSDR AND OPENWEBRX SITES Best OpenWebRX and WebSDR Servers. Skywave Linux: HPSDR, WebSDR, and RTL-SDR ready to run. CubicSDR on Debian, Ubuntu, and Linux Mint. Dump1090 for Linux Mint 17.1 and Siduction 2014.1. Software Defined Radio - An Introduction. QS1R Direct Sampling SDR. Chaining SDR Audio Interfaces. FLEX-6000 Direct Sampling SDR. HIGH GAIN YAGI WIFI ANTENNA The yagi wifi antenna design depicted here can be built in just an hour or two, and it works great! It is computer designed, made of wood and wire, and provides high gain and directivity. It is directional - favoring wi-fi signals in one direction and rejecting interference from the sides or behind the antenna. LINEAR FOCUS PARABOLIC WIFI ANTENNA A Faster Windows 7. Windows 7 SSD Setup. Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces NATURAL VLF RADIO LISTENING: STREAMING AUDIO Natural radio is a specialty involving signals of natural origin within the Very Low Frequency spectrum and below. most of the natural signals are found between 400 Hz and 10,000 Hz. Many of these signals are crated by terrestrial weather (lightning), and others aregenerated by
MALACHITE MINI SDR
The Malachite SDR is a SoftRock radio on steroids. Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
AB9IL.NET - ARTICLE INDEXREALTIME SOFTWARE AUDIO PROCESSINGLINUX ON SOLID STATE DRIVESIPOD MUSIC PROCESSING GUIDE AB9IL.net - Article Index. Article Index --- click here to unfold ---. Software Defined Radio Reviews and Analysis. WiFi Antennas, Extenders, and Bridges. Linux: Distros, Programming, and Scripts. Air and Space Radio, Tech, and Projects. Windows 10: Debloating and Tweaking for Speed. Digital Audio Configuration. WI FI EXTENDER ANTENNA FOR ROUTERS Duct tape or cable ties (they're non-metallic) for securing the pigtail and antenna. To assemble the high gain antenna and router combination, accomplish the following steps: Solder the pigtail to the antenna driven element. Center conductor to one side and shield to the other. Secure the pigtail with one or two cable ties, preventingmovement
HOW TO RECORD FROM WEBSDR AND OPENWEBRX SITES Best OpenWebRX and WebSDR Servers. Skywave Linux: HPSDR, WebSDR, and RTL-SDR ready to run. CubicSDR on Debian, Ubuntu, and Linux Mint. Dump1090 for Linux Mint 17.1 and Siduction 2014.1. Software Defined Radio - An Introduction. QS1R Direct Sampling SDR. Chaining SDR Audio Interfaces. FLEX-6000 Direct Sampling SDR. HIGH GAIN YAGI WIFI ANTENNA The yagi wifi antenna design depicted here can be built in just an hour or two, and it works great! It is computer designed, made of wood and wire, and provides high gain and directivity. It is directional - favoring wi-fi signals in one direction and rejecting interference from the sides or behind the antenna. LINEAR FOCUS PARABOLIC WIFI ANTENNA A Faster Windows 7. Windows 7 SSD Setup. Parabolic wifi antennas are generally thought of as dish shaped objects, fed by a yagi, biquad or helical radiator at the focal point.These dishes are curved in three dimensions and involve considrable effort to construct from scratch.An alternative is the two dimensional "linear focus" reflector. RTL2832 SOFTWARE DEFINED RADIO The devices in question, for this breed of software defined radios, use a Realtek RTL2832 quadrature sampling detector in combination with a programmable oscillator (most commonly an Elonics E4000, Fitipower FC0013, FC0012, FC2580, and R820T).Experiments indicate that these devices perform fairly well without any hardware modification, and the software (drivers, firmware, and user interfaces NATURAL VLF RADIO LISTENING: STREAMING AUDIO Natural radio is a specialty involving signals of natural origin within the Very Low Frequency spectrum and below. most of the natural signals are found between 400 Hz and 10,000 Hz. Many of these signals are crated by terrestrial weather (lightning), and others aregenerated by
MALACHITE MINI SDR
The Malachite SDR is a SoftRock radio on steroids. Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). ORION - AN INTRODUCTION - AB9IL.NET The Orion Software Defined Radio Platform is The most powerful Amateur Radio Transceiver building block available today, it builds on thevery successful
WEBSDR DIGIMODE RECEPTION Reception of digital radio modes from a WebSDR site is similar to using a local transciever. For example, tuning the W4AX WebSDR to 14.070 (in upper sideband mode) reveals plenty of psk-31 signals when the 20 meter band is open. In FLdigi, one can see that the receiver gain is set rather high, with lots of background noise and rather weak signals activating the AGC. HF AERONAUTICAL RADIO Airborne HF Aero Radio Equipment. Compared to a typical amateur or SWL station, the aeronautical radio equipment performs to high standards, but does not have much operational flexibility. For example, the oscillators are dead-on accurate and stable, but can only tune inwhole 1 kHz steps.
HIGH GAIN HELICAL WIFI ANTENNA Space the turns 2.5 cm on a. tube of 3.9cm outer diameter. Here is a table used for my prototype helical wifi antenna and its connector. Note that turn 1 starts at 0.8 cm (height above ground plane of feedpoint). Turns Spacing is 2.5 cm, and the diameter is 3.9 cm (close enough for 1.5" PVC tailpiece). If your connector can be trimmed toallow
LONG RANGE WI-FI DISH ANTENNA The biquad wifi antenna pictured below was built out of junk parts one afternoon, and enabled very good long range 802.11 connections on its own. Mounted at the focal point of a surplus DirecTV dish, it provided full-scale signals from otherwise weak access points. A biquad made from junkbox parts. It was an excellent wifi dish feeder! QUICK-TUNABLE INTERNET SDR SERVERS Quickly tune the listed servers to the frequency and mode of your choice using this config tool! When the SDR renders in your browser, it will be on the frequency and in the mode you selected. Simply enter a frequency, select a mode, click ENTER. After this page reloads, click on a server to open a new tab and start listening as configured. QS1R COMMUNICATIONS RECEIVER A ready-to use SDR currently available outside of military / government circles provides fantastic performance and very advanced features: the QS1R receiver (and soon a QS1T transmitter), made by the Software Radio Laboratory LLC. This radio is the result of intense brainstorming among numerous talented people, and more specifically, the work of a team led by Philip Covington (N8VB). WINDOWS 10 DEBLOATING 2021 Download the scripts at Windows10Debloater. Click on the "Code" button and select "Download ZIP." Extract the files after finishing the download. Right click on the PowerShell file you intend to run, and select "Run With PwerShell." Run as administrator. CUBICSDR - AB9IL.NET Here is a simple script which will download, compile, and install what is needed to run CubicSDR: If using a 32 bit system, adjust the script as needed. Copy and paste the script into a text editor. Save it as cubicsdr-installer.sh. Make it executable, and run it as root with the shell command: CubicSDR can be run now by clicking on the CHINESE ANTI-STEALTH VHF RADAR Chinese Anti-Stealth Radar 2013-11-25-0918 UTC. There may be two separate radars operating on the same frequencies, or perhaps one radar runing in two modes. If similar to older radars, the lower frequency buzz would be the long range search mode. Higher pitched signals would correspond to a short range mode which would much moreaccurately
NUCLEAR WARRIORS ON HF RADIO It is the phonetically encoded, highly cryptic messages heard at intervals on specific HF and VHF frequencies. Known as "Emergency Action Messages" (EAMs), they are warfighting instructions to the United States nuclear forces. As practitioners of nuclear warfare, these forces constantly train drill with the intention of making nomistakes with
AB9IL.net
Article Index --- click here to unfold --- Software Defined Radio Reviews and Analysis WiFi Antennas, Extenders, and Bridges Linux: Distros, Programming, and Scripts Air and Space Radio, Tech, and Projects Windows 10: Debloating and Tweaking for Speed Digital Audio Configuration Liberation Technology Empowering the Individual Political Commentary Hint: _Destroy the GOP_ Aviation Photo Gallery Disclosure: AB9IL.net is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program such that this site earns advertising fees by linking to Amazon.com. If you make a qualifying purchase after clicking a link on this website, the associate affiliated with this site may earn a comission at no cost toyou.
#Advert: Powerful Threadripper CPUs Available TODAY!. Dynamic Internet SDR List Dynamic Military HFGCS List SDR School via YouTube Linux School via YouTube How to monitor multiple frequencies at once on internet KiwiSDRs (and not get banned from the server) SSHUTTLE Encrypted Networking with Menus from fzf and Rofi | Linux Wireguard VPN Simplified with fzf and Rofi | Linux Skywave Linux 4.1: Bug fixes andminor tweaks.
Winter Night Propagation: coast to coast jammers on the 75 meter ham band. Doomsday Plane Monitoring (HF + ADS-B)January 7th 2021
Boomer Pervs of 3860 kHz "Your INCEL Future..." Skywave Linux 4.0: Programmatic RTL-SDR frequency calibration and other goodies. How to make great sounding SDR recordings. Build a wifi yagi antenna for cross neighborhood or cross town connections. PK8303: Bad Leadership Kills. CRM and Threat-Error Management... WTF is that? Tags: AB9IL.net -home; AB9IL.net Article List ©2005 - 2021 AB9IL, All Rights Reserved.About , Contact
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