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• The Pop-Up Vertical 2.0 - WB3GCK
  
  Basically this antenna is a 23 foot wire fed through a 4 1 un un ...
  [ Hits: 254 | Votes: 0 | Rating: 0 ]

• A More Efficient Magnetic Loop Antenna - AA8C
  
  The idea behind this antenna was to use multiple conductors in parallel to reduce the ...
  [ Hits: 215 | Votes: 2 | Rating: 5.5 ]
• Build the K1FM-Loop - K1FM
  
  The latest version of the K1FM Loop is electrically similar to the previous one but ...
  [ Hits: 102 | Votes: 0 | Rating: 0 ]

• RX Loop antenna - PA5HE
  
  This loop antenna is intended to be connected as an antenna for receivers that do ...
  [ Hits: 60 | Votes: 0 | Rating: 0 ]

• VHF UHF BiQuad - KE4UYP
  
  This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized ...
  [ Hits: 177 | Votes: 0 | Rating: 0 ]

• HF DXView Propagation Map - NG0E
  
  This map shows real time radio propagation from stations operating on 11 bands between 1 ...
  [ Hits: 304 | Votes: 5 | Rating: 7.6 ]

• TN8K Congo 2023 - TN8K
  
  Dates Arrival January 6th Departure January 21th 2023 Call sign TN8K Operators Petr OK1BOA Petr ...
  [ Hits: 32 | Votes: 0 | Rating: 0 ]

• ADIF Processor Map QSOs with Google Earth - M0NOM
  
  The ADIF Processor is an online application that visualizes amateur radio contacts from an ADIF ...
  [ Hits: 406 | Votes: 3 | Rating: 7 ]

• TX5N Log Online - TX5N
  
  Online Log for TX5N DX Pedition to Austral Islands 2022
  [ Hits: 275 | Votes: 4 | Rating: 7 ]

• W0CW Kansas City DX Club - K0XM
  
  Established in the mid 1970 s The Kansas City DX Club is an ARRL affiliated ...
  [ Hits: 55 | Votes: 0 | Rating: 0 ]

• Countries with CEPT Licence - DK5JI
  
  A document that includes a list of all countries implementing CEPT licence with detailed information ...
  [ Hits: 177 | Votes: 3 | Rating: 9 ]

• Radio Scout Frequencies - K2BSA
  
  Information on frequencies suggested as Scout amateur radio frequencies These were initially suggested by the ...
  [ Hits: 45 | Votes: 0 | Rating: 0 ]

• Satellite Frequency List - JE9PEL
  
  All Satellites Frequency List Update A complete list of satellite frequencies available in several formats ...
  [ Hits: 141 | Votes: 1 | Rating: 1 ]

• How to call CQ as an HF QRP station - qrper.com
  
  Tutorial How to call CQ as an HF QRP station in SSB Phone Calling CQ ...
  [ Hits: 132 | Votes: 3 | Rating: 4 ]

• Elecraft K2 Preselector Modification - NJ0IP
  
  Although most Preselectors are designed with an internal T R relay theoretically enabling direct insertion ...
  [ Hits: 191 | Votes: 0 | Rating: 0 ]

• MFJ-434 Voice Keyer - MFJ
  
  Let this microprocessor controlled MFJ Contest Voice KeyerTM call CQ send your call and do ...
  [ Hits: 57 | Votes: 0 | Rating: 0 ]

• AllScan - David NR9V
  
  AllScan is a free and open source web app for AllStar nodes that provides Favorites ...
  [ Hits: 20 | Votes: 1 | Rating: 8 ]

• 12v Battery Charger - XQ2FOD
  
  Well firstly the 12 Volt source will typically vary anywhere from 11 Volt to 15 ...
  [ Hits: 80 | Votes: 1 | Rating: 10 ]

• Demonstrating AM sidebands - PA3FWM
  
  Amateur radio courses teach that in amplitude modulation sidebands arise This can be proven mathematically ...
  [ Hits: 65 | Votes: 0 | Rating: 0 ]

• A Simple Spectrum Analyzer - AA8C
  
  This is a swept filter spectrum analyzer Basically RF and swept oscillator signals are fed ...
  [ Hits: 121 | Votes: 0 | Rating: 0 ]

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