40m filter

40m filter

Antennas : 40M : 40 meter Loop Antennas

• Receiving antenna for low bands - PA6Z  ^updated
  
  K9AY loop antenna installed at PA6Z Contest group This is a receiving antennas for the ...
  [ Hits: 19595 | Votes: 12 | Rating: 7.91 ]

• Beverage switching box - TK5EP
  
  Sharing beverage antennas with this switch boxes is possible This article describes a 6 position ...
  [ Hits: 5510 | Votes: 3 | Rating: 4.33 ]

• Coax Stubs for 20m and 40m - DH1TW
  
  When operating contest in a multi transceiver environment interferences between the 40m and 20m are ...
  [ Hits: 243 | Votes: 4 | Rating: 8.5 ]

• 440Mhz Interdigital Bandpass Filter
  
  Homebrew Amateur Radio 440Mhz Interdigital Bandpass Filter
  [ Hits: 578 | Votes: 1 | Rating: 1 ]
• 20m 30m 40m Bandpass Filters - AB2EW
  
  Homemade LC Bandpass Filters for 20M 30M 40M In multi station environments like special events ...
  [ Hits: 387 | Votes: 1 | Rating: 10 ]

• The Rock-Mite CW Kit
  
  The Rock Mite is a 40m CW kit offered by Small Wonder Labs It features ...
  [ Hits: 1157 | Votes: 0 | Rating: 0 ]

• How to make a mains filter for EMC and noise reduction - Adrian Leggett
  
  Article showing how I ve made a mains filter to reduce EMC in the electricity ...
  [ Hits: 1226 | Votes: 5 | Rating: 9.6 ]