hf freq

hf freq

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• What is Horn Antenna - frambos
  
  Horn Antenna The energy of the beam when slowly transform into radiation the losses are ...
  [ Hits: 74 | Votes: 0 | Rating: 0 ]

• Introduction to HFTA HF Terrain Assessment - N1FD
  
  A complete guide to plan antenna installation by using several tools and resources including the ...
  [ Hits: 141 | Votes: 1 | Rating: 7 ]

• RF Trap Resonant Frequency - VK1AD
  
  RF traps for a lightweight 40 30 20 17 15m inverted V dipole antenna for ...
  [ Hits: 199 | Votes: 0 | Rating: 0 ]

• XW4DX LAOS DXPedition - XW4DX
  
  XW4DX DXpedition to Laos 16 to 27 November 2023 We will be operating on all ...
  [ Hits: 12 | Votes: 0 | Rating: 0 ]

• FunCube Dongle HF Upconverter: Expanding Reception Range - M1GEO
  
  This article describes an HF upconverter for the FunCube Dongle Pro Designed for radio amateurs ...
  [ Hits: 34 | Votes: 1 | Rating: 8 ]

• 40 MHz 8m Band Amateur Radio Exploration - G3XBM
  
  The 8m ISM band a unique frequency range between 10m and 6m holds potential for ...
  [ Hits: 76 | Votes: 1 | Rating: 8 ]

• Exploring the Spectrum From HF to UHF Frequencies - ARCAD
  
  During radio s early days high frequencies were under 30 MHz due to technical limitations ...
  [ Hits: 78 | Votes: 0 | Rating: 0 ]

• KC2G HF MUF Propagation maps - KC2G
  
  Ionospheric propagation maps MUF and critical frequency
  [ Hits: 304 | Votes: 1 | Rating: 10 ]

• ICOM IC-R75 Review by N9EWO - N9EWO
  
  Icom IC R75 tabletop HF communications receiver came onto the market back in 1999 and ...
  [ Hits: 44 | 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 ]

• UK Scanner Frequencies - m3gnn
  
  UK frequency list provide reference table to lister to Police scanner channels UHF VHF Amateur ...
  [ Hits: 166 | Votes: 1 | Rating: 1 ]

• Scanning frequencies - J Ward
  
  HF digital mode transmissions voice transmissions in HF and VHF Bands collected in several XLS ...
  [ Hits: 139 | Votes: 0 | Rating: 0 ]

• 70 MHz 300 W Power Amplifier - EX8MLE
  
  This PA has been designed by Sergey EX8MLE and uses three Mitsubishi RD100HHF1 FETs Frequency ...
  [ Hits: 109 | Votes: 1 | Rating: 10 ]

• Universal HF Tracker - sarcnet
  
  The PCB can produce a High Frequency RF signal in the range of 1MHz to ...
  [ Hits: 146 | Votes: 0 | Rating: 0 ]
• Arduino QRP Transceiver: DIY Success on HF Bands - M0XPD
  
  This article introduces an Arduino based QRP CW Transceiver designed for lower HF bands The ...
  [ Hits: 114 | Votes: 1 | Rating: 1 ]

• Measured Data For HF Ferrite Chokes - K9YC
  
  FT 240 toroids measurements The data was measured using well calibrated HP instrumentation All plots ...
  [ Hits: 39 | Votes: 0 | Rating: 0 ]

• PCM Kestrel HF Transceiver - vk3yy
  
  This article describes an upgrade to the Kestrel transceiver replacing its LCD display with a ...
  [ Hits: 68 | Votes: 0 | Rating: 0 ]

• Building a 20W All-Band HF SDR with Softrock 6.3 - TF3LJ  ^new
  
  This project describes a DIY all band HF SDR transceiver Built around a Softrock 6 ...
  [ Hits: 82 | Votes: 1 | Rating: 1 ]

• 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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