used radio

used radio

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• 20 meter short loaded vertical antennas - N4SPP
  
  Loading is a way to lower the resonant frequency of an antenna radiator This technique ...
  [ Hits: 232 | Votes: 1 | Rating: 9 ]

• Log Periodic Antenna for ATV - PI6ATS
  
  Log periodic Antenna for 23 13 and 9 cm bands The LPA was built according ...
  [ Hits: 98 | Votes: 0 | Rating: 0 ]

• How to Tune Dipole Antennas - IW5EDI
  
  This is a standard calculation method that can help you while tuning dipole antennas by ...
  [ Hits: 336 | Votes: 5 | Rating: 8.6 ]

• The Weird Antenna Wire End Effect - VA3KOT
  
  A half wave wire that is tuned for resonance on 80m will NOT be resonant ...
  [ Hits: 95 | Votes: 0 | Rating: 0 ]

• DJ9PK SWR Meters - DJ9PK
  
  This device was designed as an SWR and power meter for Radio Amateurs In addition ...
  [ Hits: 205 | Votes: 0 | Rating: 0 ]

• Operating AMTOR - G4AON
  
  Putting one of those old modems back into use AMTOR is an acronym for AMateur ...
  [ Hits: 81 | Votes: 0 | Rating: 0 ]

• PD Powerbank for SOTA Radios - VK3YY
  
  This post describes how the newish Power Delivery PD mode mobile powerbanks can be used ...
  [ Hits: 144 | Votes: 0 | Rating: 0 ]

• CubeSats and FUNcube - RSGB
  
  RSGB page dedicated to CubeSats and FunCube satellites used by radioamateurs
  [ Hits: 24 | Votes: 0 | Rating: 0 ]

• CTR2-Mini Radio Controller - Lynn Hansen, KU7Q
  
  CTR2 Mini is a small radio controller based on the Seeed Studios Wio Terminal It ...
  [ Hits: 93 | Votes: 0 | Rating: 0 ]

• Monitoring The Airwaves During Ukrainian Conflict - K0LWC
  
  This article reports and collect some frequencies used during 2020 Ukraine war and reported as ...
  [ Hits: 532 | Votes: 3 | Rating: 9.67 ]

• Spy Numbers Stations - hfunderground
  
  Spy Numbers Stations are shortwave radio stations that are speculated to have been broadcasting since ...
  [ Hits: 177 | Votes: 0 | Rating: 0 ]

• Interlock Monitor - EA4TX
  
  The Interlock Monitor IM program allows you to control and monitor the Interlock device from ...
  [ Hits: 70 | Votes: 0 | Rating: 0 ]

• QSO Map Pyton Script - VK3FOWL
  
  This project is a python program used to plot the location of QSOs radio contacts ...
  [ Hits: 107 | Votes: 0 | Rating: 0 ]

• TNXLOG - tnxqso
  
  This log software sends current QSOs to TNXQSO com server receives from your TNXQSO com ...
  [ Hits: 101 | Votes: 0 | Rating: 0 ]

• Proplab-Pro - Solar Terrestrial Dispatch
  
  Ray trace radio signals through a realistic three dimensional ionosphere using Proplab Pro This software ...
  [ Hits: 171 | Votes: 0 | Rating: 0 ]

• Arduino Flex Controller - IW7DMH
  
  Arduino Flex Controller can be used with the new Flex 6000 Signature rigs It is ...
  [ Hits: 115 | Votes: 0 | Rating: 0 ]

• Battery Charger for Hand Held Radio Battery Packs - VK4BY
  
  This is a handy little charger that can provide a charging current of up to ...
  [ Hits: 88 | Votes: 0 | Rating: 0 ]

• A Simple Hybrid Software Defined Radio - AA8C
  
  This Hybrid SDR is a combination of a current technology analog radio techniques used with ...
  [ Hits: 115 | Votes: 0 | Rating: 0 ]

• Digital Mode Interface - IW7EHC
  
  The use of an isolation interface between the radio and the pc is higly recommended ...
  [ Hits: 179 | Votes: 0 | Rating: 0 ]

• 2m to 70cm Transverter Circuit - VK4ADC
  
  A 70cm 432 MHz Transverter Project transverter circuit is an electronic device that converts a ...
  [ Hits: 82 | Votes: 0 | Rating: 0 ]

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