e tech radio

e tech radio

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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 ]

• 20 meter short loaded vertical antennas - N4SPP
  
  Loading is a way to lower the resonant frequency of an antenna radiator This technique ...
  [ Hits: 233 | Votes: 1 | Rating: 9 ]

• Pikes Peak Radio Amateur Association (PPRAA) - Jim
  
  The Pikes Peak Radio Amateur Association PPRAA is an American Radio Relay League ARRL Special ...
  [ Hits: 64 | Votes: 0 | Rating: 0 ]

• Radio Scouting K2BSA - K2BSA
  
  Radio Scouting is the intersection of Scouting and amateur radio As such it introduces Scouts ...
  [ Hits: 25 | Votes: 0 | Rating: 0 ]

• History of the Radio - Joe Wood
  
  The history of the radio is a fascinating one that changed how the world connected ...
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• Aircraft Scatter ACS - SM6FHZ
  
  Getting started with Aircraft scatter defined as the process of scatter radio waves of the ...
  [ Hits: 56 | 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 ]

• 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 ]

• Elecraft K4 Transceiver - Elecraft
  
  Official Elecraft K4 Transceiver page at Elecraft web site with technical specifications news manuals and ...
  [ Hits: 71 | Votes: 0 | Rating: 0 ]

• The Kenwood TS-590 Series Transceivers - M0OBU
  
  A web page dedicated to the Kenwood TS 590S and TS 590SG transceivers with technical ...
  [ Hits: 122 | Votes: 2 | Rating: 1 ]

• Everything you needed to know about Radio Receivers and Scanners - ICOM
  
  Tuning into the airwaves for new and interesting transmissions has fascinated enthusiasts since the very ...
  [ Hits: 178 | Votes: 0 | Rating: 0 ]

• Explaining ARRL Radio Tech Reviews - VA7OJ
  
  Explaining ARRL Technical Reviews of Radios a brief tutorial on radio testing The ARRL Lab ...
  [ Hits: 120 | Votes: 0 | Rating: 0 ]

• A Morse Code Practice Oscillator - G7FHN
  
  Maybe not state of the art technology but the author offers a quick and easy ...
  [ Hits: 143 | Votes: 0 | Rating: 0 ]

• Gimme Five - QRP SSB Transceiver - DK7IH
  
  Gimme Five reloaded a compact 5 band QRP SSB transceiver in SMD technology This unit ...
  [ Hits: 287 | Votes: 1 | Rating: 10 ]

• Demonstrating AM sidebands - PA3FWM
  
  Amateur radio courses teach that in amplitude modulation sidebands arise This can be proven mathematically ...
  [ Hits: 66 | Votes: 0 | Rating: 0 ]

• Understanding computer-generated RFI - NU1N
  
  Radio Frequency Interference RFI has always been a source of concern for the Radio Amateur ...
  [ Hits: 85 | Votes: 0 | Rating: 0 ]
• Stop RFI from Solar PV Systems - WB8ERJ
  
  Stop EMI RFI Interference in Off Grid Solar PV Systems in this article the author ...
  [ Hits: 83 | 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: 116 | Votes: 0 | Rating: 0 ]

• How RTL-SDR dongles work - PA3FWM
  
  Since 2012 the RTL SDR is the simple and cheap way to give Software Defined ...
  [ Hits: 129 | Votes: 1 | Rating: 10 ]

• Measuring with a MiniVNA - N4SPP
  
  Measuring technicques using a MiniVNA author describes how to determine and unknown inductance or how ...
  [ Hits: 187 | Votes: 1 | Rating: 1 ]

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