40 m

40 m

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• Spitfire Antenna
  
  A multiband antenna for 40 to 160 meters with control box project by HA8RM ...
  Votes: 2 | Rating: 8

• N3OX Flex Vertical for 40m
  
  N3OX three meters Flex Vertical, a Short, Frequency Agile Vertical for 40 meters

• 3 elements Yagi for 7 MHz
  
  A 3 element yagi beam for 40 meters band
  Votes: 7 | Rating: 5.71

• Multiband Wire Dipole
  
  A multiband dipole antenna that can work on 15 20 and 40 meters band made ...
  By IW7EHC - Votes: 8 | Rating: 6

• 80m OCF Dipole
  
  An article describing a homemade 40m wire OCF Dipole
  By w0hc - Votes: 1 | Rating: 1

• Vertical Dipole for 40 Meters band
  
  A lightweight portable vertical antenna for 40m
  Votes: 3 | Rating: 6.33

• 40 meter reversable Quad
  
  3 Element reversable quad antenna for 40 meters band

• Archimedean Spiral Antenna for RTLSDR
  
  Dodgy plans to make Archimedean spiral antenna for RTLSDR software defined radio receiver Made of ...
  By T Milligan - Votes: 2 | Rating: 10

• 20/40 Meter Short Coax Trap Dipole Antenna
  
  Ham Radio 20 40 meter short Coax Trap dipole antenna designed with the coax trap ...
  By buildthings - Votes: 11 | Rating: 6.1

• Vertical Dipole 10-40m
  
  A multiband vertical dipole antenna by ON4BAI
  By ON4BAI - Votes: 2 | Rating: 9

• The W3EDP 85 ft end-fed antenna
  
  An 85ft wire fed against a 17ft counterpoise that works well in 80 and 40 ...
  Votes: 2 | Rating: 9.5
• W3EDP Antenna by OK1RR
  
  W3EDP is a portable end fed antenna that can work 40 to 10 meters with ...
  Votes: 3 | Rating: 2

• T8GM - Palau
  
  Palau T8GM OC009 September 6 7 and 15 19 This is solo DXpedition and CW ...

• Nunsfield House Amateur Radio Group
  
  For more than 40 years the Group has been a leading light in the amateur ...

• Heath SB-1400
  
  The Heathk SB 1400 MF HF AM FM SSB CW transceiver by Heathkit reviewed on ...
  By NT0Z - Votes: 3 | Rating: 8.67

• Grundig Satellit 3400 Service Manual
  
  Service manual of the Grundig Satellit 3400 Portable Shortwave Receiver
  By Grundig - Votes: 8 | Rating: 8.51

• 40m linear amlifier made by 9A6A
  
  Pictures of a monoband linear amplifier for 40m band 2 x QB5 1750 made by ...
  By Petar Milicic - Votes: 1 | Rating: 10

• Build your own QRSS transmitter
  
  The N0QBH QRSS project page a couple of projects using available kits for improved frequency ...
  By N0QBH

• K9KLT Power Line QRN Killer
  
  A power line noise eliminator designed to eliminate QRN expecially on 40 meters band ...
  By K9KLT - Votes: 1 | Rating: 10

• Build Softrock 40/80M SDR
  
  HF on a budget. Assembling a Softrock Software Defined Radio

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