9 band

9 band

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• 160 meter antenna problems and solutions - NM7M
  
  The quarter wave Marconi working against ground is a popular and inexpensive antenna for 160 ...
  [ Hits: 107 | Votes: 0 | Rating: 0 ]

• 1296 MHz Bi-Quad Antenna - VK1NAM
  
  Construction of a 23 cm band, 1296 MHz Bi-Quad Antenna
  [ Hits: 88 | Votes: 0 | Rating: 0 ]

• 30m Half -Size Rotary Dipole - G3YEU
  
  A rotary dipole antenna for 30 meters band Each arm is about 12 5 ft ...
  [ Hits: 200 | Votes: 0 | Rating: 0 ]

• 160-80-40 Metre Trapped V-Dipole - VK4ADC
  
  A Trapped dipole inverted V antenna for lower HF Bands Construction details are for temporary ...
  [ Hits: 111 | Votes: 0 | Rating: 0 ]

• Square Halo Antenna for 10 and 20 Meters - PA9X
  
  How to build a limited space 10 and 20 meter band Square Halo DX antenna ...
  [ Hits: 242 | Votes: 1 | Rating: 9 ]

• 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 ]

• Home made multiband MOXON - HB9DSP
  
  Multi band Moxon Yagi Antenna for 10 15 20 meters band with just one feed ...
  [ Hits: 493 | Votes: 0 | Rating: 0 ]

• UHF VHF Crossed Satellite Yagi Antenna - VK2GOM
  
  This home made antenna provides around 10 5dBd gain on 70cm and 6 5dBd gain ...
  [ Hits: 388 | Votes: 2 | Rating: 9 ]

• Optimizing Coax-Cable Traps - N4UU
  
  A document that will guide you on Coaxial Cable trap optimization process to gain on ...
  [ Hits: 168 | Votes: 0 | Rating: 0 ]

• A Versatile SOTA Antenna Tuner - KX0R
  
  This is a detailed technical piece intended mostly for makers and more creative activators who ...
  [ Hits: 265 | Votes: 2 | Rating: 10 ]

• Tri-Band VHF/UHF Antenna Design - WB6IQN
  
  The TBJ 1 a triband base antenna was published in March 2017 QST This antenna ...
  [ Hits: 214 | Votes: 0 | Rating: 0 ]

• I5HGM KiwiSDR - I5HGM
  
  A software defined receiver located in Tuscany Italy with a Windom antenna convering HF bands ...
  [ Hits: 172 | Votes: 2 | Rating: 10 ]

• Taking a look at the 900 MHz band - KB9MWR
  
  Use of the band as Amateur Radio is secondary in this band to federal radiolocation ...
  [ Hits: 50 | Votes: 0 | Rating: 0 ]

• Using PSK Reporter as Propagation Tool - K8ZT
  
  PSK Reporter is a powerful tool for monitoring your FT8 JT65 or PSK signals around ...
  [ Hits: 195 | Votes: 1 | Rating: 8 ]
• Unpredictable Aspects of 160 meter Propagation - NM7M
  
  Come learn why it is very difficult to predict propagation on the top band Ionospheric ...
  [ Hits: 65 | Votes: 0 | Rating: 0 ]

• Kenwood TS890S Mods - WD4NGB
  
  Doing the MARS Mod on the TS890S This will take care of any of your ...
  [ Hits: 115 | Votes: 2 | Rating: 10 ]

• 20 W HF Power Amplifier - IN3OTD
  
  A HF power amplifier with a push pull of AFT09MS015N The small signal gain of ...
  [ Hits: 175 | Votes: 0 | Rating: 0 ]

• Band Pass Filters for HF Transceivers - K4VX
  
  If your multiple transceiver station is suffering of intrastation interference this handy and inexpensive band ...
  [ Hits: 129 | Votes: 0 | Rating: 0 ]

• General Coverage Receiver LW MW SW - ON6MU
  
  This is a compact three transistor regenerative general coverage receiver with fixed feedback The sensitivity ...
  [ Hits: 201 | Votes: 0 | Rating: 0 ]

• An introduction to YIG Tuned Oscillators - MicroSource
  
  The YIG Tuned Oscillator YTO is the only direct signal source to provide multi octave ...
  [ Hits: 35 | Votes: 0 | Rating: 0 ]

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