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• Delta Loop DX Antenna for 40 meters band - PD9Z
  
  A monoband delta loop antenna for the 7 MHz This vertically polarized DX Antenna is ...
  [ Hits: 434 | Votes: 3 | Rating: 6.33 ]

• J-POLE for 50MHz by IZ0UPS - IZ0UPS
  
  The J Pole antenna is a good omnidirectional antenna that can be used for portable ...
  [ Hits: 245 | Votes: 2 | Rating: 10 ]

• Top Loaded Vertical Antenna for 80 Meters Band - DJ9RB
  
  Top Loaded Vertical Antenna 3 5 MHz 80m and a 14 MHz Trap for the ...
  [ Hits: 268 | Votes: 0 | Rating: 0 ]

• Notes on Designing LF-MF antennas - N6LF
  
  A free book on designign LF MF antennas The six chapters in the body of ...
  [ Hits: 267 | Votes: 2 | Rating: 9.5 ]

• A Ground Plane Antenna for NOAA Weather Stations - nutsvolts
  
  An introduction to antennad including a DIY assembly instruction for a A Ground Plane Antenna ...
  [ Hits: 2194 | Votes: 12 | Rating: 6.67 ]

• Ground plane for 144, 222 and 440 MHz - KJ4PWP
  
  Here we have a ground plane antenna mostly used for 144 222 440 Mhz Its ...
  [ Hits: 1264 | Votes: 10 | Rating: 5.7 ]

• The 10/15/20 Meter Trap Vertical Antenna - KG0ZZ
  
  This antenna project came out very nice It s a rugged homebrew multi band trap ...
  [ Hits: 4191 | Votes: 14 | Rating: 6.08 ]
• Field Day Vertical Antenna by KN5L - KN5L
  
  This Field Day Vertical Antenna project is the result of many years of attending various ...
  [ Hits: 214 | Votes: 3 | Rating: 7 ]

• High Altitude Ballooning, From The Ground Up (and back again) - dave akerman
  
  High Altitude Ballooning makes for a challenging project that sometimes turns into an engrossing hobby ...
  [ Hits: 136 | Votes: 1 | Rating: 10 ]

• How to receive NOAA Satellite images with SDR Radio - sashae
  
  Guide for the reception of NOAA satellite images using software defined radio on Windows or ...
  [ Hits: 314 | Votes: 5 | Rating: 4.6 ]

• Double Cross Satellite Antenna - KD6JDJ
  
  An easy to build antenna for ground reception of NOAA weather or amateur satellite signals ...
  [ Hits: 3082 | Votes: 15 | Rating: 4.74 ]

• Weak Signals - Reduce volume to reduce noise - VE7SL
  
  This article discusses how volume reduction can help in the reception of weak signals by ...
  [ Hits: 229 | Votes: 1 | Rating: 10 ]

• How to use Baofeng UV-B5 flash light switch for LCD background light - YT9TP
  
  Baofeng UV B5 LCD background light is turned on only when some keys are pressed ...
  [ Hits: 292 | Votes: 1 | Rating: 10 ]

• Build your own ADS-B Ground Station - FlightAware
  
  You can now build and run your own ADS B ground station that can be ...
  [ Hits: 848 | Votes: 2 | Rating: 10 ]

• Five Antennas Switch Box - EA5AVL
  
  A project of a 5 Antennas Relay Switch Box all Switches Relays have both contacts ...
  [ Hits: 1252 | Votes: 1 | Rating: 10 ]

• Grounding and Reducing Noise
  
  Reducing noise and RF in your radio station by grounding your equipment in the proper ...
  [ Hits: 1300 | Votes: 1 | Rating: 10 ]
• Home Made Artificial Ground Tuner - PA0Q
  
  Home made Artificial Ground This article contains a schematics of a custom artificial ground device ...
  [ Hits: 590 | Votes: 0 | Rating: 0 ]

• Noise Canceller Project - G8JNJ
  
  This project was intended to accompany the stealth antenna project Author want to see how ...
  [ Hits: 712 | Votes: 0 | Rating: 0 ]

• SNR Signal to Noise Ratio - K0BG
  
  Signal to noise ratio is defined as the ratio between the desired signal and the ...
  [ Hits: 358 | Votes: 2 | Rating: 2.5 ]

• Locating Power Line Noise - Stu Phillips
  
  RF interference from power lines is caused by arcing as high voltage electricity bridges a ...
  [ Hits: 429 | Votes: 0 | Rating: 0 ]

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