k 40 radio

k 40 radio

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• Invisible DX antenna for the low bands - Article by DK5WL describes a multi-band DX antenna for the 160m-40m amateur radio bands with low visibility but great performance for long distance communication.
  [ Hits: 7009 | Votes: 8 | Rating: 6 ]

• 40/20 Trap Dipole - An easy to make trap dipole antenna for 40 and 20 meters
  [ Hits: 8052 | Votes: 10 | Rating: 5.77 ]

• The flower pot antenna - A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It's compact, light, economical and doesn't need any radial.
  [ Hits: 13404 | Votes: 1 | Rating: 10 ]

• 40 meter double bazooka antenna - A double bazooka antenna plan for the cw portion of the 40 meter band
  [ Hits: 9277 | Votes: 20 | Rating: 5.5 ]

• Multi-Band Super Mini Loop Antenna - How to make the Super antenna. To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band
  [ Hits: 23212 | Votes: 8 | Rating: 6.95 ]

• Vertical Antenna For 40- 80-160 Meters - The basic antenna is a vertical monopole, using elevated radials to complete the ground plane by k5oe
  [ Hits: 4298 | Votes: 6 | Rating: 6 ]

• Simple HF Baluns for 50/75 ohm coax - Show diagrams, winding methods and tables of some 1:1 and 4:1 baluns for 1.8 - 30 MHz suitable for use up to 200W (400W peak) on systems using 50 or 75 ohm coaxial cable input where SWR should not exceed 1.6:1.
  [ Hits: 15208 | Votes: 25 | Rating: 4.32 ]

• Double-Bazooka - Broadband dipole antenna, needs an antenna tuner but can reach 3db gain over dipole
  [ Hits: 5417 | Votes: 17 | Rating: 7.01 ]

• Inverted V - Described is a simple inverted-V antenna which, when used with a balanced ATU, can be used on all the main Radio Amateur HF bands (80, 40, 20, 15 and 10m). The cental support is made in such a way that the wire can be coiled up for storage when the antenna is taken down.
  [ Hits: 3398 | Votes: 1 | Rating: 8 ]

• The simple 144/440 copper pipe J - A simple dual band VHF UHF jpole antenna Projects by Dale Kubichek
  [ Hits: 8388 | Votes: 18 | Rating: 8 ]

• W3DZZ 80-10 meters - W3DZZ trap dipole for 80 through 10 meters
  [ Hits: 6792 | Votes: 8 | Rating: 4.5 ]

• Inverted L Portable Antenna - An 87ft inverted L portable antenna working on 80 40 30 20 15 meters band
  [ Hits: 2401 | Votes: 3 | Rating: 9.33 ]

• Antique Radio Knobs - Specialize in reproducing antique radio knobs and parts from the 1920's - 1940
  [ Hits: 1597 | Votes: 3 | Rating: 1 ]

• KL7AA Anchorage Amateur Radio Club - The Anchorage Amateur Radio Club is the largest amateur radio organization in Alaska with over 340 members.
  [ Hits: 829 | Votes: 2 | Rating: 10 ]

• Calnet Repeater Group - Calnet a multi repeater amateur radio system serving most of California and parts of Nevada. The Calnet system consists of numerous fulltime linked 440 MHz repeaters connecting San Diego to San Francisco and Lake Tahoe.
  [ Hits: 1312 | Votes: 2 | Rating: 7.5 ]

• QSY Society Amateur Radio Club - The club is promoting awareness of Henry Hudson's 400th anniversary voyage of discovery, as well as encouraging others to try amateur radio and foster goodwill.
  [ Hits: 325 | Votes: 0 | Rating: 0 ]

• WebSDR on 20m, 40m and 80m  ^pop - On this page you can listen to and control a short-wave receiver located at the amateur radio club ETGD at the University of Twente. In contrast to other web-controlled receivers, this receiver can be tuned by multiple users simultaneously, thanks to the use of Software-Defined Radio. Provided by PI4THT
  [ Hits: 45728 | Votes: 523 | Rating: 7.25 ]

• 50 Ohm Oil Filled Dummy Load - N4SPP home built 400 W ham radio dummy load project
  [ Hits: 1938 | Votes: 3 | Rating: 8.67 ]

• The Classic Micro TO Keyer - K8CU builds a classic 1967 QST semiconductor project during the 40th anniversary year of the original project publication.
  [ Hits: 1126 | Votes: 1 | Rating: 10 ]

• KD1JV MMR-40 dead bug style - A 40 meter rig with SSB and CW operating modes. This is a low power QRP rig with up to 6 watts CW or PEP output.
  [ Hits: 1379 | Votes: 5 | Rating: 8.2 ]

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