earth

earth

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• A 4:1 Balun
  
  A single core 4 1 current balun of improved performance by Chris Trask N7ZWY PDF ...
  [ Hits: 21829 | Votes: 13 | Rating: 4.3 ]

• 900 MHz Helical Antenna
  
  Photos and description of a homebrewed 900 Mhz antenna
  [ Hits: 3779 | Votes: 14 | Rating: 4.64 ]

• Off Center Fed Inverted V Dipole
  
  This was an investigation into whether an inverted V dipole could be fed offcenter to ...
  [ Hits: 1848 | Votes: 1 | Rating: 1 ]

• Basics of antennas
  
  The current the voltage the impedance the bandwidth the polarization and how the earth influences ...
  [ Hits: 701 | Votes: 0 | Rating: 0 ]
• Errante's capacitive RF Grounding - Francesco Errante
  
  This system demonstrates that no galvanic coupling to earth is needed for a proper RF ...
  [ Hits: 492 | Votes: 1 | Rating: 10 ]

• ASC Signal
  
  Global manufacturer of Satellite Earth Station Air Traffic Control Radar Antenna and High Frequency Antenna ...
  [ Hits: 830 | Votes: 3 | Rating: 5.67 ]

• Kiwa Electronics - KIWA
  
  Kiwa Electronics is a company that specializes in accessory equipment for the radio enthusiast Our ...
  [ Hits: 3070 | Votes: 5 | Rating: 8.8 ]

• Google Maps APRS - Heikki Hannikainen
  
  APRS web map with weather telemetry messaging and a bulletin board Google Maps and Google ...
  [ Hits: 929 | Votes: 14 | Rating: 7.42 ]

• JT65 Protocol - Joe Taylor, K1JT
  
  JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals It ...
  [ Hits: 1507 | Votes: 3 | Rating: 7 ]

• Longwave operations
  
  In the VLF portion of the spectrum it is easy to listen to the emissions ...
  [ Hits: 833 | Votes: 0 | Rating: 0 ]

• G4ILO Receiving weather satellites
  
  If you are interested in the environment the weather and other natural phenomena then there ...
  [ Hits: 2164 | Votes: 1 | Rating: 10 ]

• Near-Real-Time F2-Layer Critical Frequency Map
  
  This map can be used to determine the frequencies that will always be returned to ...
  [ Hits: 5270 | Votes: 24 | Rating: 4.84 ]

• Google Earth 4-D Inonosphere
  
  Free real time Earth Space 4 D global 4 D ionosphere using Google Earth by ...
  [ Hits: 811 | Votes: 5 | Rating: 7.4 ]

• Solar Cycles and Earth's climate - VK6YSF Peter Miles
  
  The past and future of the Sun s solar cycle and possible impact on the ...
  [ Hits: 837 | Votes: 0 | Rating: 0 ]

• SCR-Log
  
  Scr log freeware logging program for mac windows linux and dos designed for school club ...
  [ Hits: 1525 | Votes: 5 | Rating: 10 ]

• Beam DX - F1ORL
  
  BEAM_DX is a free windows software for radioamateurs or radio listeners usage It allows to ...
  [ Hits: 2927 | Votes: 4 | Rating: 5 ]

• YG-PSK - Jeff Steinkamp
  
  Simple PSK31 and RTTY program based on the AE4JY PSK engine Logging inlcudes 10 10 ...
  [ Hits: 2954 | Votes: 4 | Rating: 8 ]

• Simple Reverse Polarity Protection
  
  This simple modification is applicable to pretty much any 12 volt operated positive earth equipment ...
  [ Hits: 1648 | Votes: 0 | Rating: 0 ]

• Earth Grounding Construction Materials
  
  Article about types of materials that make the best earth grounding systems
  [ Hits: 1309 | Votes: 0 | Rating: 0 ]

• Converting SSB CB to LF
  
  Modified transverter for converting SSB CB to LF for thru-the-earth voice communications
  [ Hits: 1264 | Votes: 0 | Rating: 0 ]

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