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JEFFREY KOPCAK, MBA
Please feel free to stop by as often as you like! -Jeffrey. General contact: JKopcak (plus sign)WebMaster ZohoMail.com (r eplace “ (text)” and “ ” with symbols) Ham Radio contact: Callsign@a-r-r-l.net ( callsign found elsewhere, remove dashes) K8JTK HUB: DIGITAL VOIP MUTIMODE INTERLINK SYSTEMSEE MORE ONJEFFREYKOPCAK.COM
NBEMS/FLDIGI SOUND CARD CALIBRATION 2) Open NBEMS/FLDIGI, go to configure, defaults, sound card, audio devices tab and make sure you have the sound card you use for your interface properly selected from the capture and playback drop down choices. Then click the audio settings tab. 3) Under the audio settings tab, you should see a sample rate drop down box for captureand playback.
SHARKRF OPENSPOT3
Jeff Kopcak – TC. k8jtk@arrl.net. Hey gang, Not quite one year after the OpenSPOT 2 was released, the OpenSPOT 3 made an appearance on the SharkRF website. I suspected the OS2 was not selling very well. A quick look at the Brandmeister Dashboard shows 7.4% are using the OS1 and 2.5% are using the OS2.HAMSHACK HOTLINE
One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Scott – N8SY and articles are submitted by cabinet members. GETTING STARTED WITH MMSSTV Click the RX tab . In the center for RX Mode, click Auto. MMSSTV receiving an image. While receiving: RX Mode will automatically change to the mode the sending station is transmitting. If the mode is not one of the options displayed, it will change out one of the modes. The level meter next to RX Mode will turn green when decoding an SSTVsignal.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: JT65 AND JT9 Signal reports range from -1 to -30 db signal-to-noise in JT65. The lowest I’ve seen is -27. They are capped at a -1 db upper limit to keep somewhat consistent with EME reports. JT9 is extended to give more accurate signal reports with a range from -50 to +49 db. The limits I’ve seen are -27 and +15. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. SSTV - JEFFREY KOPCAK, MBA TECHNICAL COORDINATOR The ARRL Technical Coordinator (TC) is a section-level ocial appointed by the Section Manager to coordinate all technical activities within the section. P25 TRUNKED TRACKING AND DECODING WITH RTL-SDR, UNITRUNKER Previous Post ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server Next Post SSTV Transmissions from the International Space Station – December 2014 editionJEFFREY KOPCAK, MBA
Please feel free to stop by as often as you like! -Jeffrey. General contact: JKopcak (plus sign)WebMaster ZohoMail.com (r eplace “ (text)” and “ ” with symbols) Ham Radio contact: Callsign@a-r-r-l.net ( callsign found elsewhere, remove dashes) K8JTK HUB: DIGITAL VOIP MUTIMODE INTERLINK SYSTEMSEE MORE ONJEFFREYKOPCAK.COM
NBEMS/FLDIGI SOUND CARD CALIBRATION 2) Open NBEMS/FLDIGI, go to configure, defaults, sound card, audio devices tab and make sure you have the sound card you use for your interface properly selected from the capture and playback drop down choices. Then click the audio settings tab. 3) Under the audio settings tab, you should see a sample rate drop down box for captureand playback.
SHARKRF OPENSPOT3
Jeff Kopcak – TC. k8jtk@arrl.net. Hey gang, Not quite one year after the OpenSPOT 2 was released, the OpenSPOT 3 made an appearance on the SharkRF website. I suspected the OS2 was not selling very well. A quick look at the Brandmeister Dashboard shows 7.4% are using the OS1 and 2.5% are using the OS2.HAMSHACK HOTLINE
One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Scott – N8SY and articles are submitted by cabinet members. GETTING STARTED WITH MMSSTV Click the RX tab . In the center for RX Mode, click Auto. MMSSTV receiving an image. While receiving: RX Mode will automatically change to the mode the sending station is transmitting. If the mode is not one of the options displayed, it will change out one of the modes. The level meter next to RX Mode will turn green when decoding an SSTVsignal.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: JT65 AND JT9 Signal reports range from -1 to -30 db signal-to-noise in JT65. The lowest I’ve seen is -27. They are capped at a -1 db upper limit to keep somewhat consistent with EME reports. JT9 is extended to give more accurate signal reports with a range from -50 to +49 db. The limits I’ve seen are -27 and +15. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. SSTV - JEFFREY KOPCAK, MBA TECHNICAL COORDINATOR The ARRL Technical Coordinator (TC) is a section-level ocial appointed by the Section Manager to coordinate all technical activities within the section. P25 TRUNKED TRACKING AND DECODING WITH RTL-SDR, UNITRUNKER Previous Post ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server Next Post SSTV Transmissions from the International Space Station – December 2014 edition OHIO SECTION JOURNAL One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Tom – WB8LCD and articles are submitted by cabinet members.HAMSHACK HOTLINE
One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Scott – N8SY and articles are submitted by cabinet members. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: JT65 AND JT9 Signal reports range from -1 to -30 db signal-to-noise in JT65. The lowest I’ve seen is -27. They are capped at a -1 db upper limit to keep somewhat consistent with EME reports. JT9 is extended to give more accurate signal reports with a range from -50 to +49 db. The limits I’ve seen are -27 and +15. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: STATION SETUP This time in our quest to get on the air with digital, I’ll discuss station setup. For most of this article, it will be related to HF andsideband operation.
DMR IN AMATEUR RADIO: TERMINOLOGY Every user on any DMR network requires a CCS7 ID commonly referred to as a “DMR ID” or “radio ID.”. CCS stands for “Callsign Communication System” (or Call Connection Service) and is a subscriber identification containing 7 digits. Users registered in Ohio are assigned 3139xxx, where ‘xxx’ is a 3-digit consecutiveID.
SDRSHARP PLUGINS
SDRSharp was written to have plugins extend the functionality of the program. These include plugins that make SDRSharp scan frequencies, add an audio FFT, scope, level meter, or CTCSS (PL) detector. There is an extensive list of projects and write-ups including an Amateur Radiocategory.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: NARROW BAND Recent Posts. Ohio Section Journal – The Technical Coordinator – May 2021 edition; Ohio Section Journal – The Technical Coordinator – April 2021 edition ADS-B DECODING WITH RTL-SDR, ADSBSHARP, AND VIRTUAL RADAR Virtual Radar Server setup. Virtual Radar Server connects to ADSBSharp to retrieve data and plots on a map. Click the Start orb.. Click All Programs.. Click Virtual Radar.. Click Virtual Radar.. We will configure Virtual Radar for these databases. APRS RX IGATE WITH RTL-SDR AND RASPBERRY PI The Raspberry Pi is a credit-card sized micro-computer intended for teaching computer science to students but became popular with the makers. RTL-SDR dongles are DVB-T (European standard) TV tuner dongles. It was found the signal data could be accessed directly which allowed them to be converted into wide band software defined radioreceivers.
JEFFREY KOPCAK, MBA
Please feel free to stop by as often as you like! -Jeffrey. General contact: JKopcak (plus sign)WebMaster ZohoMail.com (r eplace “ (text)” and “ ” with symbols) Ham Radio contact: Callsign@a-r-r-l.net ( callsign found elsewhere, remove dashes) K8JTK HUB: DIGITAL VOIP MUTIMODE INTERLINK SYSTEMSEE MORE ONJEFFREYKOPCAK.COM
NBEMS/FLDIGI SOUND CARD CALIBRATION 2) Open NBEMS/FLDIGI, go to configure, defaults, sound card, audio devices tab and make sure you have the sound card you use for your interface properly selected from the capture and playback drop down choices. Then click the audio settings tab. 3) Under the audio settings tab, you should see a sample rate drop down box for captureand playback.
SHARKRF OPENSPOT3
Jeff Kopcak – TC. k8jtk@arrl.net. Hey gang, Not quite one year after the OpenSPOT 2 was released, the OpenSPOT 3 made an appearance on the SharkRF website. I suspected the OS2 was not selling very well. A quick look at the Brandmeister Dashboard shows 7.4% are using the OS1 and 2.5% are using the OS2.HAMSHACK HOTLINE
One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Scott – N8SY and articles are submitted by cabinet members. GETTING STARTED WITH MMSSTV Click the RX tab . In the center for RX Mode, click Auto. MMSSTV receiving an image. While receiving: RX Mode will automatically change to the mode the sending station is transmitting. If the mode is not one of the options displayed, it will change out one of the modes. The level meter next to RX Mode will turn green when decoding an SSTVsignal.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: JT65 AND JT9 Signal reports range from -1 to -30 db signal-to-noise in JT65. The lowest I’ve seen is -27. They are capped at a -1 db upper limit to keep somewhat consistent with EME reports. JT9 is extended to give more accurate signal reports with a range from -50 to +49 db. The limits I’ve seen are -27 and +15. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. SSTV - JEFFREY KOPCAK, MBA TECHNICAL COORDINATOR The ARRL Technical Coordinator (TC) is a section-level ocial appointed by the Section Manager to coordinate all technical activities within the section. P25 TRUNKED TRACKING AND DECODING WITH RTL-SDR, UNITRUNKER Previous Post ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server Next Post SSTV Transmissions from the International Space Station – December 2014 editionJEFFREY KOPCAK, MBA
Please feel free to stop by as often as you like! -Jeffrey. General contact: JKopcak (plus sign)WebMaster ZohoMail.com (r eplace “ (text)” and “ ” with symbols) Ham Radio contact: Callsign@a-r-r-l.net ( callsign found elsewhere, remove dashes) K8JTK HUB: DIGITAL VOIP MUTIMODE INTERLINK SYSTEMSEE MORE ONJEFFREYKOPCAK.COM
NBEMS/FLDIGI SOUND CARD CALIBRATION 2) Open NBEMS/FLDIGI, go to configure, defaults, sound card, audio devices tab and make sure you have the sound card you use for your interface properly selected from the capture and playback drop down choices. Then click the audio settings tab. 3) Under the audio settings tab, you should see a sample rate drop down box for captureand playback.
SHARKRF OPENSPOT3
Jeff Kopcak – TC. k8jtk@arrl.net. Hey gang, Not quite one year after the OpenSPOT 2 was released, the OpenSPOT 3 made an appearance on the SharkRF website. I suspected the OS2 was not selling very well. A quick look at the Brandmeister Dashboard shows 7.4% are using the OS1 and 2.5% are using the OS2.HAMSHACK HOTLINE
One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Scott – N8SY and articles are submitted by cabinet members. GETTING STARTED WITH MMSSTV Click the RX tab . In the center for RX Mode, click Auto. MMSSTV receiving an image. While receiving: RX Mode will automatically change to the mode the sending station is transmitting. If the mode is not one of the options displayed, it will change out one of the modes. The level meter next to RX Mode will turn green when decoding an SSTVsignal.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: JT65 AND JT9 Signal reports range from -1 to -30 db signal-to-noise in JT65. The lowest I’ve seen is -27. They are capped at a -1 db upper limit to keep somewhat consistent with EME reports. JT9 is extended to give more accurate signal reports with a range from -50 to +49 db. The limits I’ve seen are -27 and +15. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. SSTV - JEFFREY KOPCAK, MBA TECHNICAL COORDINATOR The ARRL Technical Coordinator (TC) is a section-level ocial appointed by the Section Manager to coordinate all technical activities within the section. P25 TRUNKED TRACKING AND DECODING WITH RTL-SDR, UNITRUNKER Previous Post ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server Next Post SSTV Transmissions from the International Space Station – December 2014 edition OHIO SECTION JOURNAL One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Tom – WB8LCD and articles are submitted by cabinet members.HAMSHACK HOTLINE
One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Scott – N8SY and articles are submitted by cabinet members. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: JT65 AND JT9 Signal reports range from -1 to -30 db signal-to-noise in JT65. The lowest I’ve seen is -27. They are capped at a -1 db upper limit to keep somewhat consistent with EME reports. JT9 is extended to give more accurate signal reports with a range from -50 to +49 db. The limits I’ve seen are -27 and +15. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: STATION SETUP This time in our quest to get on the air with digital, I’ll discuss station setup. For most of this article, it will be related to HF andsideband operation.
DMR IN AMATEUR RADIO: TERMINOLOGY Every user on any DMR network requires a CCS7 ID commonly referred to as a “DMR ID” or “radio ID.”. CCS stands for “Callsign Communication System” (or Call Connection Service) and is a subscriber identification containing 7 digits. Users registered in Ohio are assigned 3139xxx, where ‘xxx’ is a 3-digit consecutiveID.
SDRSHARP PLUGINS
SDRSharp was written to have plugins extend the functionality of the program. These include plugins that make SDRSharp scan frequencies, add an audio FFT, scope, level meter, or CTCSS (PL) detector. There is an extensive list of projects and write-ups including an Amateur Radiocategory.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: NARROW BAND Recent Posts. Ohio Section Journal – The Technical Coordinator – May 2021 edition; Ohio Section Journal – The Technical Coordinator – April 2021 edition ADS-B DECODING WITH RTL-SDR, ADSBSHARP, AND VIRTUAL RADAR Virtual Radar Server setup. Virtual Radar Server connects to ADSBSharp to retrieve data and plots on a map. Click the Start orb.. Click All Programs.. Click Virtual Radar.. Click Virtual Radar.. We will configure Virtual Radar for these databases. APRS RX IGATE WITH RTL-SDR AND RASPBERRY PI The Raspberry Pi is a credit-card sized micro-computer intended for teaching computer science to students but became popular with the makers. RTL-SDR dongles are DVB-T (European standard) TV tuner dongles. It was found the signal data could be accessed directly which allowed them to be converted into wide band software defined radioreceivers.
JEFFREY KOPCAK, MBA
Please feel free to stop by as often as you like! -Jeffrey. General contact: JKopcak (plus sign)WebMaster ZohoMail.com (r eplace “ (text)” and “ ” with symbols) Ham Radio contact: Callsign@a-r-r-l.net ( callsign found elsewhere, remove dashes) K8JTK HUB: DIGITAL VOIP MUTIMODE INTERLINK SYSTEMSEE MORE ON JEFFREYKOPCAK.COMHAM RADIO VOIP SOFTWAREVOIP FOR RADIO STATIONSVOIP HAM RADIOVOIP RADIO COMMUNICATIONSVOIP RADIO INTERFACEDIGITAL HUBINTEL
NBEMS/FLDIGI SOUND CARD CALIBRATION 2) Open NBEMS/FLDIGI, go to configure, defaults, sound card, audio devices tab and make sure you have the sound card you use for your interface properly selected from the capture and playback drop down choices. Then click the audio settings tab. 3) Under the audio settings tab, you should see a sample rate drop down box for captureand playback.
SHARKRF OPENSPOT3
Jeff Kopcak – TC. k8jtk@arrl.net. Hey gang, Not quite one year after the OpenSPOT 2 was released, the OpenSPOT 3 made an appearance on the SharkRF website. I suspected the OS2 was not selling very well. A quick look at the Brandmeister Dashboard shows 7.4% are using the OS1 and 2.5% are using the OS2. DMR IN AMATEUR RADIO: PROGRAMMING A CODE PLUG DMR IN AMATEUR RADIO: TERMINOLOGY Every user on any DMR network requires a CCS7 ID commonly referred to as a “DMR ID” or “radio ID.”. CCS stands for “Callsign Communication System” (or Call Connection Service) and is a subscriber identification containing 7 digits. Users registered in Ohio are assigned 3139xxx, where ‘xxx’ is a 3-digit consecutiveID.
GETTING STARTED WITH MMSSTV Click the RX tab . In the center for RX Mode, click Auto. MMSSTV receiving an image. While receiving: RX Mode will automatically change to the mode the sending station is transmitting. If the mode is not one of the options displayed, it will change out one of the modes. The level meter next to RX Mode will turn green when decoding an SSTVsignal.
GETTING STARTED WITH MMSSTV Configuration and setup of MMSSTV. When MMSSTV is started the first time, you will be prompted to enter your call sign. Click OK. Click Option. Click Setup MMSSTV. On the RX tab, check Auto stop. Check Auto slant. Check Decode FSKID. The remaining settings are the defaultsettings.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. P25 TRUNKED TRACKING AND DECODING WITH RTL-SDR, UNITRUNKER Previous Post ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server Next Post SSTV Transmissions from the International Space Station – December 2014 editionJEFFREY KOPCAK, MBA
Please feel free to stop by as often as you like! -Jeffrey. General contact: JKopcak (plus sign)WebMaster ZohoMail.com (r eplace “ (text)” and “ ” with symbols) Ham Radio contact: Callsign@a-r-r-l.net ( callsign found elsewhere, remove dashes) K8JTK HUB: DIGITAL VOIP MUTIMODE INTERLINK SYSTEMSEE MORE ON JEFFREYKOPCAK.COMHAM RADIO VOIP SOFTWAREVOIP FOR RADIO STATIONSVOIP HAM RADIOVOIP RADIO COMMUNICATIONSVOIP RADIO INTERFACEDIGITAL HUBINTEL
NBEMS/FLDIGI SOUND CARD CALIBRATION 2) Open NBEMS/FLDIGI, go to configure, defaults, sound card, audio devices tab and make sure you have the sound card you use for your interface properly selected from the capture and playback drop down choices. Then click the audio settings tab. 3) Under the audio settings tab, you should see a sample rate drop down box for captureand playback.
SHARKRF OPENSPOT3
Jeff Kopcak – TC. k8jtk@arrl.net. Hey gang, Not quite one year after the OpenSPOT 2 was released, the OpenSPOT 3 made an appearance on the SharkRF website. I suspected the OS2 was not selling very well. A quick look at the Brandmeister Dashboard shows 7.4% are using the OS1 and 2.5% are using the OS2. DMR IN AMATEUR RADIO: PROGRAMMING A CODE PLUG DMR IN AMATEUR RADIO: TERMINOLOGY Every user on any DMR network requires a CCS7 ID commonly referred to as a “DMR ID” or “radio ID.”. CCS stands for “Callsign Communication System” (or Call Connection Service) and is a subscriber identification containing 7 digits. Users registered in Ohio are assigned 3139xxx, where ‘xxx’ is a 3-digit consecutiveID.
GETTING STARTED WITH MMSSTV Click the RX tab . In the center for RX Mode, click Auto. MMSSTV receiving an image. While receiving: RX Mode will automatically change to the mode the sending station is transmitting. If the mode is not one of the options displayed, it will change out one of the modes. The level meter next to RX Mode will turn green when decoding an SSTVsignal.
GETTING STARTED WITH MMSSTV Configuration and setup of MMSSTV. When MMSSTV is started the first time, you will be prompted to enter your call sign. Click OK. Click Option. Click Setup MMSSTV. On the RX tab, check Auto stop. Check Auto slant. Check Decode FSKID. The remaining settings are the defaultsettings.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. P25 TRUNKED TRACKING AND DECODING WITH RTL-SDR, UNITRUNKER Previous Post ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server Next Post SSTV Transmissions from the International Space Station – December 2014 editionSHARKRF OPENSPOT
Ham radio VoIP and K8JTK Hub DVMIS Presentations. March 8, 2021. Jeffrey Kopcak. Presentation on Ham radio VoIP (Voice over IP) modes and the K8JTK Hub Digital VoIP Multimode Interlink System which integrates many Ham radio modes, both analog and digital. DMR IN AMATEUR RADIO: TERMINOLOGY Every user on any DMR network requires a CCS7 ID commonly referred to as a “DMR ID” or “radio ID.”. CCS stands for “Callsign Communication System” (or Call Connection Service) and is a subscriber identification containing 7 digits. Users registered in Ohio are assigned 3139xxx, where ‘xxx’ is a 3-digit consecutiveID.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO ARTICLES In the example message, . The lines begin with the form field name and check of the number of characters in that field. “:fm:5 K8JTK” is the “ f ro m ” field with a check of 5 characters, “ K8JTK “. When completed, an Flmsg window will open. The form will also be rendered in the default web browser.HAMSHACK HOTLINE
One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Scott – N8SY and articles are submitted by cabinet members. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: JT65 AND JT9 Signal reports range from -1 to -30 db signal-to-noise in JT65. The lowest I’ve seen is -27. They are capped at a -1 db upper limit to keep somewhat consistent with EME reports. JT9 is extended to give more accurate signal reports with a range from -50 to +49 db. The limits I’ve seen are -27 and +15. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: STATION SETUP This time in our quest to get on the air with digital, I’ll discuss station setup. For most of this article, it will be related to HF andsideband operation.
GETTING STARTED WITH MMSSTV TX. In the TX tab, images are prepared and transmitted. Modes. Click the TX tab .. Right-clicking any of the mode slots under TX Mode will bring up the entire list of supported SSTV modes including resolution and transmit times. More modes are available by clicking the solid black arrows at the top and bottom of the list. RUNNING FLDIGI FLMSG AND FLWRAP ON THE RASPBERRY PI 2 Once the Pi is finished rebooting, connect via VNC to the Pi. Go back to the Main Menu Editor. Click the Internet group. Check Flarq. Check Fldigi. Check flmsg. Check flwrap. Click OK. ADS-B DECODING WITH RTL-SDR, ADSBSHARP, AND VIRTUAL RADAR ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server. November 30, 2014 Jeffrey Kopcak. Update: ADSBSharp (ADSB#) is no longer available and has been deprecated. Copies can be found by doing some searching. It is not available from the authors site as described in this post for the RTL-SDR. A program like RTL1090 or Dump1090 (orany
GETTING STARTED WITH FLDIGI First time Fldigi is started, the configuration wizard will appear. Click Next. Notes: To change any of these settings in the future, they can be found in the Fldigi application under the “Configure” menu. Enter your Station Callsign, Station QTH (location), Station Locator (gridsquare), Operator Callsign, Operator Name, and Antenna (s) used.JEFFREY KOPCAK, MBA
Please feel free to stop by as often as you like! -Jeffrey. General contact: JKopcak (plus sign)WebMaster ZohoMail.com (r eplace “ (text)” and “ ” with symbols) Ham Radio contact: Callsign@a-r-r-l.net ( callsign found elsewhere, remove dashes) K8JTK HUB: DIGITAL VOIP MUTIMODE INTERLINK SYSTEMSEE MORE ON JEFFREYKOPCAK.COMHAM RADIO VOIP SOFTWAREVOIP FOR RADIO STATIONSVOIP HAM RADIOVOIP RADIO COMMUNICATIONSVOIP RADIO INTERFACEDIGITAL HUBINTEL
NBEMS/FLDIGI SOUND CARD CALIBRATION 2) Open NBEMS/FLDIGI, go to configure, defaults, sound card, audio devices tab and make sure you have the sound card you use for your interface properly selected from the capture and playback drop down choices. Then click the audio settings tab. 3) Under the audio settings tab, you should see a sample rate drop down box for captureand playback.
SHARKRF OPENSPOT3
Jeff Kopcak – TC. k8jtk@arrl.net. Hey gang, Not quite one year after the OpenSPOT 2 was released, the OpenSPOT 3 made an appearance on the SharkRF website. I suspected the OS2 was not selling very well. A quick look at the Brandmeister Dashboard shows 7.4% are using the OS1 and 2.5% are using the OS2. DMR IN AMATEUR RADIO: PROGRAMMING A CODE PLUG DMR IN AMATEUR RADIO: TERMINOLOGY Every user on any DMR network requires a CCS7 ID commonly referred to as a “DMR ID” or “radio ID.”. CCS stands for “Callsign Communication System” (or Call Connection Service) and is a subscriber identification containing 7 digits. Users registered in Ohio are assigned 3139xxx, where ‘xxx’ is a 3-digit consecutiveID.
GETTING STARTED WITH MMSSTV Click the RX tab . In the center for RX Mode, click Auto. MMSSTV receiving an image. While receiving: RX Mode will automatically change to the mode the sending station is transmitting. If the mode is not one of the options displayed, it will change out one of the modes. The level meter next to RX Mode will turn green when decoding an SSTVsignal.
GETTING STARTED WITH MMSSTV Configuration and setup of MMSSTV. When MMSSTV is started the first time, you will be prompted to enter your call sign. Click OK. Click Option. Click Setup MMSSTV. On the RX tab, check Auto stop. Check Auto slant. Check Decode FSKID. The remaining settings are the defaultsettings.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. P25 TRUNKED TRACKING AND DECODING WITH RTL-SDR, UNITRUNKER Previous Post ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server Next Post SSTV Transmissions from the International Space Station – December 2014 editionJEFFREY KOPCAK, MBA
Please feel free to stop by as often as you like! -Jeffrey. General contact: JKopcak (plus sign)WebMaster ZohoMail.com (r eplace “ (text)” and “ ” with symbols) Ham Radio contact: Callsign@a-r-r-l.net ( callsign found elsewhere, remove dashes) K8JTK HUB: DIGITAL VOIP MUTIMODE INTERLINK SYSTEMSEE MORE ON JEFFREYKOPCAK.COMHAM RADIO VOIP SOFTWAREVOIP FOR RADIO STATIONSVOIP HAM RADIOVOIP RADIO COMMUNICATIONSVOIP RADIO INTERFACEDIGITAL HUBINTEL
NBEMS/FLDIGI SOUND CARD CALIBRATION 2) Open NBEMS/FLDIGI, go to configure, defaults, sound card, audio devices tab and make sure you have the sound card you use for your interface properly selected from the capture and playback drop down choices. Then click the audio settings tab. 3) Under the audio settings tab, you should see a sample rate drop down box for captureand playback.
SHARKRF OPENSPOT3
Jeff Kopcak – TC. k8jtk@arrl.net. Hey gang, Not quite one year after the OpenSPOT 2 was released, the OpenSPOT 3 made an appearance on the SharkRF website. I suspected the OS2 was not selling very well. A quick look at the Brandmeister Dashboard shows 7.4% are using the OS1 and 2.5% are using the OS2. DMR IN AMATEUR RADIO: PROGRAMMING A CODE PLUG DMR IN AMATEUR RADIO: TERMINOLOGY Every user on any DMR network requires a CCS7 ID commonly referred to as a “DMR ID” or “radio ID.”. CCS stands for “Callsign Communication System” (or Call Connection Service) and is a subscriber identification containing 7 digits. Users registered in Ohio are assigned 3139xxx, where ‘xxx’ is a 3-digit consecutiveID.
GETTING STARTED WITH MMSSTV Click the RX tab . In the center for RX Mode, click Auto. MMSSTV receiving an image. While receiving: RX Mode will automatically change to the mode the sending station is transmitting. If the mode is not one of the options displayed, it will change out one of the modes. The level meter next to RX Mode will turn green when decoding an SSTVsignal.
GETTING STARTED WITH MMSSTV Configuration and setup of MMSSTV. When MMSSTV is started the first time, you will be prompted to enter your call sign. Click OK. Click Option. Click Setup MMSSTV. On the RX tab, check Auto stop. Check Auto slant. Check Decode FSKID. The remaining settings are the defaultsettings.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO: WINLINK In other words, Winlink is a global email system via radio. The backbone uses the Internet for communication but users do not need an Internet connection. This makes the system popular in Emcomm when the Internet is not available. Winlink was first used recreationally by mariners, RV campers, and missionaries. P25 TRUNKED TRACKING AND DECODING WITH RTL-SDR, UNITRUNKER Previous Post ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server Next Post SSTV Transmissions from the International Space Station – December 2014 editionSHARKRF OPENSPOT
Ham radio VoIP and K8JTK Hub DVMIS Presentations. March 8, 2021. Jeffrey Kopcak. Presentation on Ham radio VoIP (Voice over IP) modes and the K8JTK Hub Digital VoIP Multimode Interlink System which integrates many Ham radio modes, both analog and digital. DMR IN AMATEUR RADIO: TERMINOLOGY Every user on any DMR network requires a CCS7 ID commonly referred to as a “DMR ID” or “radio ID.”. CCS stands for “Callsign Communication System” (or Call Connection Service) and is a subscriber identification containing 7 digits. Users registered in Ohio are assigned 3139xxx, where ‘xxx’ is a 3-digit consecutiveID.
DIGITAL COMMUNICATIONS IN AMATEUR RADIO ARTICLES In the example message, . The lines begin with the form field name and check of the number of characters in that field. “:fm:5 K8JTK” is the “ f ro m ” field with a check of 5 characters, “ K8JTK “. When completed, an Flmsg window will open. The form will also be rendered in the default web browser.HAMSHACK HOTLINE
One of the responsibilities of the Technical Coordinator in the Ohio Section is to submit something for the Section Journal.The Section Journal covers Amateur Radio related things happening in and around the ARRL Ohio Section.It is published by the Section Manager Scott – N8SY and articles are submitted by cabinet members. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: JT65 AND JT9 Signal reports range from -1 to -30 db signal-to-noise in JT65. The lowest I’ve seen is -27. They are capped at a -1 db upper limit to keep somewhat consistent with EME reports. JT9 is extended to give more accurate signal reports with a range from -50 to +49 db. The limits I’ve seen are -27 and +15. DIGITAL COMMUNICATIONS IN AMATEUR RADIO: STATION SETUP This time in our quest to get on the air with digital, I’ll discuss station setup. For most of this article, it will be related to HF andsideband operation.
GETTING STARTED WITH MMSSTV TX. In the TX tab, images are prepared and transmitted. Modes. Click the TX tab .. Right-clicking any of the mode slots under TX Mode will bring up the entire list of supported SSTV modes including resolution and transmit times. More modes are available by clicking the solid black arrows at the top and bottom of the list. RUNNING FLDIGI FLMSG AND FLWRAP ON THE RASPBERRY PI 2 Once the Pi is finished rebooting, connect via VNC to the Pi. Go back to the Main Menu Editor. Click the Internet group. Check Flarq. Check Fldigi. Check flmsg. Check flwrap. Click OK. ADS-B DECODING WITH RTL-SDR, ADSBSHARP, AND VIRTUAL RADAR ADS-B Decoding with RTL-SDR, ADSBSharp, and Virtual Radar Server. November 30, 2014 Jeffrey Kopcak. Update: ADSBSharp (ADSB#) is no longer available and has been deprecated. Copies can be found by doing some searching. It is not available from the authors site as described in this post for the RTL-SDR. A program like RTL1090 or Dump1090 (orany
GETTING STARTED WITH FLDIGI First time Fldigi is started, the configuration wizard will appear. Click Next. Notes: To change any of these settings in the future, they can be found in the Fldigi application under the “Configure” menu. Enter your Station Callsign, Station QTH (location), Station Locator (gridsquare), Operator Callsign, Operator Name, and Antenna (s) used. JEFFREY KOPCAK, MBA – K8JTK Search Primary Menu Skip to content* Computers
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Welcome to the home page of Jeffrey Kopcak. You will find pages and posts I wrote about my hobbies, interests, projects, and things I’m involved in. Links in the upper left are to other sites I maintain. Please feel free to stop by as often as you like!-Jeffrey
General contact: J-Kopcak(dot)Web-Master@outlook.com (r_eplace “(text)” with punctuation, remove dashes_) Ham Radio contact: Callsign@a-r-r-l.net (_callsign found elsewhere,remove dashes_)
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