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OKDXFTRANSLATE THIS PAGE Jako první zmíním expedici známých italských operátorů do Centrální Africké Republiky, neboli Středoafrické republiky TL8TT. Z minulých expedic této skupiny (např. 3YX1, TY1AA, TO2TT, XT2TT nebo TT8TT) jsme zvyklí na svižný provoz, slušné signály a většinou i perfektně fungující real-time online log. Z10046A HIGH GAIN PREAMPLIFIER CONSTRUCTION AND OPERATIONS Z10046A Construction and Operations Manual Page 6 Assembly R1, R2 and R4 selection. The Z10046A uses four Mini-Circuits GaLi-74+ amplifier modules in parallel push-pull.FUN WITH PREAMPS
Fun with Preamps A great way to pass a cold winter afternoon is to homebrew some preamps Built two preamps today. I’ve been thinking of building a couple as a ELLIPTIC LOW PASS AUDIO FILTERS Elliptic Low Pass Audio Filters Dallas Lankford, 7/4/05, rev. 5/26/08 There are a number of different accessories which claim to improve recovered audio from strongly fading ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by THE BEST SMALL ANTENNAS FOR MW, LW, AND SW The Best Small Antennas For MW, LW, And SW Dallas Lankford, 5/5/08, rev. 3/30/09 The amplified vertical antenna below was developed during experiments to see how short I could make a noise 2 , 3 , 4 , 5 , AND HIGHER ORDER IMD 2nd, 3rd, 4th, 5th, And Higher Order IMD Dallas Lankford, VII/19/1993, rev. IX/10/2015 A voltage version mathematical model of intermodulation distortion (IMD) takes the first few (often 4) terms of the Maclaurin series for the device under test (DUT) voltagetransfer function,
MW TESTS WITH VARIATIONS OF MISEK'S CENTER FED ΜSWA MW Tests With Variations Of Misek's Center Fed μSWA Dallas Lankford, 8/21/07, rev. 5/20/08 Over the years I have used many phased receiving antenna arrays for the MW band. EZNEC SIMULATIONS OF ANTENNAS AND DUAL AND QUAD ANTENNA ARRAYS EZNEC Simulations Of Antennas And Dual And Quad Antenna Arrays Dallas Lankford, 11/23/2014 This article discusses how I have used EZNEC to design single antennas and dual and quad antenna arrays. 5.2 K E YI N G C L I C K S TX noise performance of modern HF transcievers 1. Introduction There has been a lot of confusion about TX noise performance of modern HFtranscievers after
OKDXFTRANSLATE THIS PAGE Jako první zmíním expedici známých italských operátorů do Centrální Africké Republiky, neboli Středoafrické republiky TL8TT. Z minulých expedic této skupiny (např. 3YX1, TY1AA, TO2TT, XT2TT nebo TT8TT) jsme zvyklí na svižný provoz, slušné signály a většinou i perfektně fungující real-time online log. Z10046A HIGH GAIN PREAMPLIFIER CONSTRUCTION AND OPERATIONS Z10046A Construction and Operations Manual Page 6 Assembly R1, R2 and R4 selection. The Z10046A uses four Mini-Circuits GaLi-74+ amplifier modules in parallel push-pull.FUN WITH PREAMPS
Fun with Preamps A great way to pass a cold winter afternoon is to homebrew some preamps Built two preamps today. I’ve been thinking of building a couple as a ELLIPTIC LOW PASS AUDIO FILTERS Elliptic Low Pass Audio Filters Dallas Lankford, 7/4/05, rev. 5/26/08 There are a number of different accessories which claim to improve recovered audio from strongly fading ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by THE BEST SMALL ANTENNAS FOR MW, LW, AND SW The Best Small Antennas For MW, LW, And SW Dallas Lankford, 5/5/08, rev. 3/30/09 The amplified vertical antenna below was developed during experiments to see how short I could make a noise 2 , 3 , 4 , 5 , AND HIGHER ORDER IMD 2nd, 3rd, 4th, 5th, And Higher Order IMD Dallas Lankford, VII/19/1993, rev. IX/10/2015 A voltage version mathematical model of intermodulation distortion (IMD) takes the first few (often 4) terms of the Maclaurin series for the device under test (DUT) voltagetransfer function,
MW TESTS WITH VARIATIONS OF MISEK'S CENTER FED ΜSWA MW Tests With Variations Of Misek's Center Fed μSWA Dallas Lankford, 8/21/07, rev. 5/20/08 Over the years I have used many phased receiving antenna arrays for the MW band. EZNEC SIMULATIONS OF ANTENNAS AND DUAL AND QUAD ANTENNA ARRAYS EZNEC Simulations Of Antennas And Dual And Quad Antenna Arrays Dallas Lankford, 11/23/2014 This article discusses how I have used EZNEC to design single antennas and dual and quad antenna arrays. Z10040A BROADBAND NORTON AMPLIFIER Z10040A Broadband Norton Amplifier Assembly and Operation Manual Version 0.1 May 2009 Clifton Laboratories 7236 Clifton Road Clifton,VA 20124
ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by SOME SUGGESTIONS FOR SHORT VERTICALS ON 160M 1 Some Suggestions For Short Verticals On 160m Rudy Severns N6LF . February 2012 . Introduction . While it's considered desirable for a vertical to be a full λ COAXIAL TRANSMITTING CHOKES 15 Some Common Mode Chokes • Some 2:1, 3:1, and 4:1 “baluns” are also common mode chokes –Guanella balun –But the few I’ve measured aren’t very good common mode chokes Why Transmitting Chokes? • Isolate antenna from its feedline • Reduce receive noise • Keep RF out of the shack (and your neighbor’s living roomstereo)
CD4060B CONSISTS OF AN OSCILLATOR PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3) CD4060BE ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A forPkg Type
RFI SHIELDING FOR SWITCHING POWER SUPPLIES AND OTHER DEVICES RFI Shielding For Switching Power Supplies And Other Devices Dallas Lankford, 8/14/08 Switching power supplies and other modern electronic devices are notorious for causing RFI in the LW, MW, THE FCP: A 160 METER COUNTERPOISE FOR A POSTAGE-STAMP LOT NCJ May/June 2012 21 helpful side effect of switching an existing antenna system to the FCP and isolation transformer is a common report that the antenna is quieter afterward.3 At W4KAZ, Keith replaced 30miscel-
SOME RECENT RESULTS FOR MW ANTENNA ARRAYS Some Recent Results For MW Antenna Arrays Dallas Lankford, 11/4/09, rev. 5/23/11 DFA And DDFA Tests, December 2008 Through April 2009 As is well known from tests in North Louisiana since December 2008 when dual MW flag arrays were first used, fromOK DX F
OK DX F
OKDXF.EU
okdxf.eu
5.2 K E YI N G C L I C K S TX noise performance of modern HF transcievers 1. Introduction There has been a lot of confusion about TX noise performance of modern HFtranscievers after
OKDXFTRANSLATE THIS PAGE Jako první zmíním expedici známých italských operátorů do Centrální Africké Republiky, neboli Středoafrické republiky TL8TT. Z minulých expedic této skupiny (např. 3YX1, TY1AA, TO2TT, XT2TT nebo TT8TT) jsme zvyklí na svižný provoz, slušné signály a většinou i perfektně fungující real-time online log. Z10046A HIGH GAIN PREAMPLIFIER CONSTRUCTION AND OPERATIONS Z10046A Construction and Operations Manual Page 6 Assembly R1, R2 and R4 selection. The Z10046A uses four Mini-Circuits GaLi-74+ amplifier modules in parallel push-pull.FUN WITH PREAMPS
Fun with Preamps A great way to pass a cold winter afternoon is to homebrew some preamps Built two preamps today. I’ve been thinking of building a couple as a ELLIPTIC LOW PASS AUDIO FILTERS Elliptic Low Pass Audio Filters Dallas Lankford, 7/4/05, rev. 5/26/08 There are a number of different accessories which claim to improve recovered audio from strongly fading ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by THE BEST SMALL ANTENNAS FOR MW, LW, AND SW The Best Small Antennas For MW, LW, And SW Dallas Lankford, 5/5/08, rev. 3/30/09 The amplified vertical antenna below was developed during experiments to see how short I could make a noise 2 , 3 , 4 , 5 , AND HIGHER ORDER IMD 2nd, 3rd, 4th, 5th, And Higher Order IMD Dallas Lankford, VII/19/1993, rev. IX/10/2015 A voltage version mathematical model of intermodulation distortion (IMD) takes the first few (often 4) terms of the Maclaurin series for the device under test (DUT) voltagetransfer function,
MW TESTS WITH VARIATIONS OF MISEK'S CENTER FED ΜSWA MW Tests With Variations Of Misek's Center Fed μSWA Dallas Lankford, 8/21/07, rev. 5/20/08 Over the years I have used many phased receiving antenna arrays for the MW band. EZNEC SIMULATIONS OF ANTENNAS AND DUAL AND QUAD ANTENNA ARRAYSEZNEC DOUBLE CROSS ANTENNAEZNEC ANTENNA MODELINGEZNEC 6EZNEC ARRLEZNEC PROEZNEC ANTENNA SOFTWARE DOWNLOAD EZNEC Simulations Of Antennas And Dual And Quad Antenna Arrays Dallas Lankford, 11/23/2014 This article discusses how I have used EZNEC to design single antennas and dual and quad antenna arrays. 5.2 K E YI N G C L I C K S TX noise performance of modern HF transcievers 1. Introduction There has been a lot of confusion about TX noise performance of modern HFtranscievers after
OKDXFTRANSLATE THIS PAGE Jako první zmíním expedici známých italských operátorů do Centrální Africké Republiky, neboli Středoafrické republiky TL8TT. Z minulých expedic této skupiny (např. 3YX1, TY1AA, TO2TT, XT2TT nebo TT8TT) jsme zvyklí na svižný provoz, slušné signály a většinou i perfektně fungující real-time online log. Z10046A HIGH GAIN PREAMPLIFIER CONSTRUCTION AND OPERATIONS Z10046A Construction and Operations Manual Page 6 Assembly R1, R2 and R4 selection. The Z10046A uses four Mini-Circuits GaLi-74+ amplifier modules in parallel push-pull.FUN WITH PREAMPS
Fun with Preamps A great way to pass a cold winter afternoon is to homebrew some preamps Built two preamps today. I’ve been thinking of building a couple as a ELLIPTIC LOW PASS AUDIO FILTERS Elliptic Low Pass Audio Filters Dallas Lankford, 7/4/05, rev. 5/26/08 There are a number of different accessories which claim to improve recovered audio from strongly fading ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by THE BEST SMALL ANTENNAS FOR MW, LW, AND SW The Best Small Antennas For MW, LW, And SW Dallas Lankford, 5/5/08, rev. 3/30/09 The amplified vertical antenna below was developed during experiments to see how short I could make a noise 2 , 3 , 4 , 5 , AND HIGHER ORDER IMD 2nd, 3rd, 4th, 5th, And Higher Order IMD Dallas Lankford, VII/19/1993, rev. IX/10/2015 A voltage version mathematical model of intermodulation distortion (IMD) takes the first few (often 4) terms of the Maclaurin series for the device under test (DUT) voltagetransfer function,
MW TESTS WITH VARIATIONS OF MISEK'S CENTER FED ΜSWA MW Tests With Variations Of Misek's Center Fed μSWA Dallas Lankford, 8/21/07, rev. 5/20/08 Over the years I have used many phased receiving antenna arrays for the MW band. EZNEC SIMULATIONS OF ANTENNAS AND DUAL AND QUAD ANTENNA ARRAYSEZNEC DOUBLE CROSS ANTENNAEZNEC ANTENNA MODELINGEZNEC 6EZNEC ARRLEZNEC PROEZNEC ANTENNA SOFTWARE DOWNLOAD EZNEC Simulations Of Antennas And Dual And Quad Antenna Arrays Dallas Lankford, 11/23/2014 This article discusses how I have used EZNEC to design single antennas and dual and quad antenna arrays. Z10040A BROADBAND NORTON AMPLIFIER Z10040A Broadband Norton Amplifier Assembly and Operation Manual Version 0.1 May 2009 Clifton Laboratories 7236 Clifton Road Clifton,VA 20124
ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by SOME SUGGESTIONS FOR SHORT VERTICALS ON 160M 1 Some Suggestions For Short Verticals On 160m Rudy Severns N6LF . February 2012 . Introduction . While it's considered desirable for a vertical to be a full λ COAXIAL TRANSMITTING CHOKES 15 Some Common Mode Chokes • Some 2:1, 3:1, and 4:1 “baluns” are also common mode chokes –Guanella balun –But the few I’ve measured aren’t very good common mode chokes Why Transmitting Chokes? • Isolate antenna from its feedline • Reduce receive noise • Keep RF out of the shack (and your neighbor’s living roomstereo)
CD4060B CONSISTS OF AN OSCILLATOR PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3) CD4060BE ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A forPkg Type
RFI SHIELDING FOR SWITCHING POWER SUPPLIES AND OTHER DEVICES RFI Shielding For Switching Power Supplies And Other Devices Dallas Lankford, 8/14/08 Switching power supplies and other modern electronic devices are notorious for causing RFI in the LW, MW, THE FCP: A 160 METER COUNTERPOISE FOR A POSTAGE-STAMP LOT NCJ May/June 2012 21 helpful side effect of switching an existing antenna system to the FCP and isolation transformer is a common report that the antenna is quieter afterward.3 At W4KAZ, Keith replaced 30miscel-
SOME RECENT RESULTS FOR MW ANTENNA ARRAYS Some Recent Results For MW Antenna Arrays Dallas Lankford, 11/4/09, rev. 5/23/11 DFA And DDFA Tests, December 2008 Through April 2009 As is well known from tests in North Louisiana since December 2008 when dual MW flag arrays were first used, fromOK DX F
OK DX F
OKDXF.EU
okdxf.eu
5.2 K E YI N G C L I C K S TX noise performance of modern HF transcievers 1. Introduction There has been a lot of confusion about TX noise performance of modern HFtranscievers after
OKDXFTRANSLATE THIS PAGE Jako první zmíním expedici známých italských operátorů do Centrální Africké Republiky, neboli Středoafrické republiky TL8TT. Z minulých expedic této skupiny (např. 3YX1, TY1AA, TO2TT, XT2TT nebo TT8TT) jsme zvyklí na svižný provoz, slušné signály a většinou i perfektně fungující real-time online log. Z10046A HIGH GAIN PREAMPLIFIER CONSTRUCTION AND OPERATIONS Z10046A Construction and Operations Manual Page 6 Assembly R1, R2 and R4 selection. The Z10046A uses four Mini-Circuits GaLi-74+ amplifier modules in parallel push-pull.FUN WITH PREAMPS
Fun with Preamps A great way to pass a cold winter afternoon is to homebrew some preamps Built two preamps today. I’ve been thinking of building a couple as a ELLIPTIC LOW PASS AUDIO FILTERS Elliptic Low Pass Audio Filters Dallas Lankford, 7/4/05, rev. 5/26/08 There are a number of different accessories which claim to improve recovered audio from strongly fading ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by THE BEST SMALL ANTENNAS FOR MW, LW, AND SW The Best Small Antennas For MW, LW, And SW Dallas Lankford, 5/5/08, rev. 3/30/09 The amplified vertical antenna below was developed during experiments to see how short I could make a noise 2 , 3 , 4 , 5 , AND HIGHER ORDER IMD 2nd, 3rd, 4th, 5th, And Higher Order IMD Dallas Lankford, VII/19/1993, rev. IX/10/2015 A voltage version mathematical model of intermodulation distortion (IMD) takes the first few (often 4) terms of the Maclaurin series for the device under test (DUT) voltagetransfer function,
MW TESTS WITH VARIATIONS OF MISEK'S CENTER FED ΜSWA MW Tests With Variations Of Misek's Center Fed μSWA Dallas Lankford, 8/21/07, rev. 5/20/08 Over the years I have used many phased receiving antenna arrays for the MW band. EZNEC SIMULATIONS OF ANTENNAS AND DUAL AND QUAD ANTENNA ARRAYSEZNEC DOUBLE CROSS ANTENNAEZNEC ANTENNA MODELINGEZNEC 6EZNEC ARRLEZNEC PROEZNEC ANTENNA SOFTWARE DOWNLOAD EZNEC Simulations Of Antennas And Dual And Quad Antenna Arrays Dallas Lankford, 11/23/2014 This article discusses how I have used EZNEC to design single antennas and dual and quad antenna arrays. 5.2 K E YI N G C L I C K S TX noise performance of modern HF transcievers 1. Introduction There has been a lot of confusion about TX noise performance of modern HFtranscievers after
OKDXFTRANSLATE THIS PAGE Jako první zmíním expedici známých italských operátorů do Centrální Africké Republiky, neboli Středoafrické republiky TL8TT. Z minulých expedic této skupiny (např. 3YX1, TY1AA, TO2TT, XT2TT nebo TT8TT) jsme zvyklí na svižný provoz, slušné signály a většinou i perfektně fungující real-time online log. Z10046A HIGH GAIN PREAMPLIFIER CONSTRUCTION AND OPERATIONS Z10046A Construction and Operations Manual Page 6 Assembly R1, R2 and R4 selection. The Z10046A uses four Mini-Circuits GaLi-74+ amplifier modules in parallel push-pull.FUN WITH PREAMPS
Fun with Preamps A great way to pass a cold winter afternoon is to homebrew some preamps Built two preamps today. I’ve been thinking of building a couple as a ELLIPTIC LOW PASS AUDIO FILTERS Elliptic Low Pass Audio Filters Dallas Lankford, 7/4/05, rev. 5/26/08 There are a number of different accessories which claim to improve recovered audio from strongly fading ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by THE BEST SMALL ANTENNAS FOR MW, LW, AND SW The Best Small Antennas For MW, LW, And SW Dallas Lankford, 5/5/08, rev. 3/30/09 The amplified vertical antenna below was developed during experiments to see how short I could make a noise 2 , 3 , 4 , 5 , AND HIGHER ORDER IMD 2nd, 3rd, 4th, 5th, And Higher Order IMD Dallas Lankford, VII/19/1993, rev. IX/10/2015 A voltage version mathematical model of intermodulation distortion (IMD) takes the first few (often 4) terms of the Maclaurin series for the device under test (DUT) voltagetransfer function,
MW TESTS WITH VARIATIONS OF MISEK'S CENTER FED ΜSWA MW Tests With Variations Of Misek's Center Fed μSWA Dallas Lankford, 8/21/07, rev. 5/20/08 Over the years I have used many phased receiving antenna arrays for the MW band. EZNEC SIMULATIONS OF ANTENNAS AND DUAL AND QUAD ANTENNA ARRAYSEZNEC DOUBLE CROSS ANTENNAEZNEC ANTENNA MODELINGEZNEC 6EZNEC ARRLEZNEC PROEZNEC ANTENNA SOFTWARE DOWNLOAD EZNEC Simulations Of Antennas And Dual And Quad Antenna Arrays Dallas Lankford, 11/23/2014 This article discusses how I have used EZNEC to design single antennas and dual and quad antenna arrays. Z10040A BROADBAND NORTON AMPLIFIER Z10040A Broadband Norton Amplifier Assembly and Operation Manual Version 0.1 May 2009 Clifton Laboratories 7236 Clifton Road Clifton,VA 20124
ON COMPARING NOISE OUTPUT POWERS OF AMPLIFIERS WITH SIMPLE Example 7: A 13.4 dB gain Clifton Laboratories LIN-Z10042A transformer feedback amplifier with NE85634A BJT's was compared to a 10.9 dB gain (sometimes my system measures it as 11.0, sometimes 10.9, here 11.0 will be used) push-pull Mini-Norton transformer feedback amplifier with calibrated NF which has been developed recently by SOME SUGGESTIONS FOR SHORT VERTICALS ON 160M 1 Some Suggestions For Short Verticals On 160m Rudy Severns N6LF . February 2012 . Introduction . While it's considered desirable for a vertical to be a full λ COAXIAL TRANSMITTING CHOKES 15 Some Common Mode Chokes • Some 2:1, 3:1, and 4:1 “baluns” are also common mode chokes –Guanella balun –But the few I’ve measured aren’t very good common mode chokes Why Transmitting Chokes? • Isolate antenna from its feedline • Reduce receive noise • Keep RF out of the shack (and your neighbor’s living roomstereo)
CD4060B CONSISTS OF AN OSCILLATOR PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3) CD4060BE ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A forPkg Type
RFI SHIELDING FOR SWITCHING POWER SUPPLIES AND OTHER DEVICES RFI Shielding For Switching Power Supplies And Other Devices Dallas Lankford, 8/14/08 Switching power supplies and other modern electronic devices are notorious for causing RFI in the LW, MW, THE FCP: A 160 METER COUNTERPOISE FOR A POSTAGE-STAMP LOT NCJ May/June 2012 21 helpful side effect of switching an existing antenna system to the FCP and isolation transformer is a common report that the antenna is quieter afterward.3 At W4KAZ, Keith replaced 30miscel-
SOME RECENT RESULTS FOR MW ANTENNA ARRAYS Some Recent Results For MW Antenna Arrays Dallas Lankford, 11/4/09, rev. 5/23/11 DFA And DDFA Tests, December 2008 Through April 2009 As is well known from tests in North Louisiana since December 2008 when dual MW flag arrays were first used, fromOK DX F
OK DX F
OKDXF.EU
okdxf.eu
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Copyright © 1994–2017, OKDXF. Všechna práva vyhrazena. Kopírování a šíření zde publikovaných materiálů jen se souhlasem vlastníka.NOVINKY:
V souvislosti s pandemií korona viru se objevily nové Q-kódy, resp. změnil se význam některých Q-kódů:QLD
Jsem zavřený.
QUA
Jsem v karanténě.
QPD
Jsem uprostřed pandemie.QTP
Mám toaletní papír. Vyměním za nové auto.QFC
Zplošťuji křivku.QHG
Potřebuji obejmout.QSH
Stanuji na místě.
QHS
Mám dezinfekci na ruce. Vyměním za dvě nová auta.QSD
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_(přišlo ze ZS)_
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jsou za dveřmi!
* 1.4.2020: Dubnová verze závodního programu TR4W 4.88 je ZDEvčetně ČESKÉ
LOKALIZACE .
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* 29.3.2020: Březnový report Honzy, OK2ZDL najdete ZDE.
* 22.3.2020: Nezapomeňte na FOC QSO PARTY (Bill Windle QSO Party), která proběhne již 28. 3. 2020 - viz ZDE.
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* 2.3.2020: Povídání o Pobřeží slonoviny a expedici TU5PCT od Karla, OK1EP najdete ZDE.
* 28.2.2020: Únorový report Honzy, OK2ZDL najdete ZDE.
* 26.2.2020: RBN Cluster s filtrací CW klubů - více informacíZDE .
* 21.2.2020: Povídání o Tanzánii a dvou expedicích 5I5TT/5I4ZZ a 5H4WZ poslal Karel, OK1EP. Čtěte ZDE.
* 15.2.2020: Pár faktů o El Salvadoru připomíná a expedici HU1DL popisuje Karel, OK1EP ZDE.
* 10.2.2020: Karel, OK1EP píše o expedici na Cocos Isl. - TI9 ZDE * 8.2.2020: Povídání o Jižních Orknejích od Števa, OM3JWnajdete ZDE .
* 7.2.2020: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 6.2.2020: Nová verze závodního programu TR4W 4.86 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 1.2.2020: Lednový report Honzy, OK2ZDL najdete ZDE.
* 14.1.2020: DX Revue 2019 z pera Števa, OM3JW je ZDE.
* 3.1.2020: Nová verze závodního programu TR4W 4.85 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 3.1.2020: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 1.1.2020: Prosincový report Honzy, OK2ZDL najdete ZDE.
* 16.12.2019: CONDX - poněkud méně optimistické výhledy.Čtěte ZDE .
* 15.12.2019: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 12.12.2019: Informace o soutěži při příležitosti oslav 10. výročí klubu CWops najdete ZDE.
* 7.12.2019: Povídání o expedici 5K0K na San Andrés najdete ZDE.
* 1.12.2019: Nová verze závodního programu TR4W 4.84 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 30.11.2019: Listopadový report Honzy, OK2ZDL najdete ZDE.
* 26.11.2019: Německou expedici do Nigérie 5N7Q popisuje Karel,OK1EP ZDE .
* 21.11.2019: O Vanuatu a nedávných expedicích do této lokality píše Karel, OK1EP ZDE . * 11.11.2019: Víte, že Anglie musí do 22. listopadu 2019 vrátit souostroví CHAGOS (VQ9) Mauriciu (3B8)? Co bude s touto poměrně vzácnou zemí není jasné, prefix VQ9 je britský... Dejme se překvapit! * 7.11.2019: Od dnešního dne platí spojení s SV2RSG/A do DXCC za Mt. Athos. Více ZDE.
* 5.11.2019: Nová verze závodního programu TR4W 4.83 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 5.11.2019: Porovnání kompozitního šumu vysílače novějších typů transceiverů - ZDE.
* 3.11.2019: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 3.11.2019: Souostroví Komory a expedice D68CCC, jak o nich píšeKarel, OK1EP ZDE .
* 2.11.2019: O souostroví Pitcairn a nedávné expedici VP6R píšeKarel, OK1EP ZDE .
* 30.10.2019: Říjnový report Honzy, OK2ZDL najdete ZDE.
* 29.10.2019: Povídání o souostroví San Andres & Providencia a expedici 5K0K od Karla, OK1EP najdete ZDE.
* 24.10.2019: O souostroví Kiribati a expedici T30GC píše Karel,OK1EP ZDE .
* 22.10.2019: S politováním oznamujeme, že jsme museli zrušit rubriku BAZAR. Více ZDE.
* 21.10.2019: The DX Code of Conduct si v jiné podobě můžetepřipomenout ZDE .
* 21.10.2019: O nových možnostech FT8 píše Vic, 4X6GP ZDE.
* 14.10.2019: Libérie, A82X & A82Z v italské režii, jak je popisuje Karel, OK1EP ZDE . * 13.10.2019: O souostroví Tokelau a nedávné expedici ZK3A píšeKarel, OK1EP ZDE .
* 5.10.2019: Reakcia na list mnícha Iakovosa, SV2RSG - více ZDE.
* 2.10.2019: Zářijový report Honzy, OK2ZDL najdete ZDE.
* 2.10.2019: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 1.9.2019: Aktualizována databáze QSL manažerů.
* 1.9.2019: Srpnový report Honzy, OK2ZDL najdete ZDE.
* 1.9.2019: Informace Davida, OK6DJ o nadcházející expedici na San Andres, 5K0K najdete ZDE.
* 25.8.2019: Mount Athos ešte raz - dění kolem této zvláštní země popisuje Števo, OM3JW ZDE.
* 13.8.2019: SV2ASP/A zemřel, jak dál s Mount Athosem? Čtěte ZDE.
* 3.8.2019: Po přečtení TOHOTOčlánku možná
leckoho přejde chuť pracovat FT-8... * 2.8.2019: DX report Honzy, OK2ZDL za červenec najdete ZDE.
* 1.8.2019: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 1.7.2019: DX report Honzy, OK2ZDL za květen a červen najdeteZDE .
* 1.7.2019: Nová verze závodního programu TR4W 4.82 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 1.7.2019: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 29.6.2019: Informace o nových ostrovních skupinách IOTA zaslal Števo, OM3JW. Více ZDE.
* 28.5.2019: Nová verze závodního programu TR4W 4.81 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 2.5.2019: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 30.4.2019: Dubnový report Honzy, OK2ZDL najdete ZDE.
* 20.4.2019: Zapomněli jste, jak správně "zahořet" elektronku?Čtěte ZDE .
* 16.4.2019: O expedicích na ostrov Bouvet píše Karel, OK1EP ZDE.
* 7.4.2019: Dva nové diplomy klubu TBDXC - podmínky najdete ZDE.
* 6.4.2019: Prohlášení kapitána MV Atlantic Tuna k okolnostem kolem 3Y0I najdete ZDE.
* 2.4.2019: Nová verze závodního programu TR4W 4.80 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 30.3.2019: Březnový report Honzy, OK2ZDL najdete ZDE.
* 30.3.2019: Najžiadanejšie zeme DXCC ... a prečo? píše Števo,OM3JW ZDE .
* 26.3.2019: Povídání o expedici 5X3C od Karla, OK1EP najdete ZDE.
* 9.3.2019: Karel, OK1EP napsal o expedici na ostrov Kanton, T31EU.Více ZDE
.
* 3.3.2019: Nová verze závodního programu TR4W 4.79 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 2.3.2019: Únorový report OK2ZDL najdete ZDE.
* 1.3.2019: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 25.2.2019: Jeff, K1ZM/VY2ZM napsal velmi zajímavé povídání o expedici V84SAA. Čtěte (anglicky) ZDE.
* 20.2.2019: Jak na DXy v době minima sluneční aktivity radí Ken Miller, K6CTW. Čtěte (anglicky) ZDE . * 15.2.2019: Preferujete při CW QSK (plný break-in)? Hlasujte ZDE!
* 5.2.2019: Stavebnice LDMOS PA RF2K+ 2,5 kW na 160 - 6 m - víceZDE
.
* 4.2.2019: Nová verze závodního programu TR4W 4.78 je ZDEvčetně ČESKÉ
LOKALIZACE .
* 26.1.2019: DX Revue 2018 od Števa, OM3JW rekapituluje uplynulý rok z pohledu DXmana. Více ZDE . * 4.1.2019: Aktualizována DATABÁZE QSL MANAŽERŮ.
* 1.1.2019: Nová verze závodního programu TR4W 4.77 je ZDEvčetně ČESKÉ
LOKALIZACE .
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