4 meter

4 meter

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• Vertical for 80 or 160 meters - KE4UYP project for a top fed 1/4 wave lenght linear loaded vertical for 80m or 160m
  [ Hits: 1721 | Votes: 1 | Rating: 1 ]
• 160 M inverted L antenna - KJ4EX 160 meter inverted L antenna.
  [ Hits: 4713 | Votes: 5 | Rating: 2.6 ]

• 40 Meter delta loop - A delta loop wire antenna plan for the 7 MHz band (40 meters) that is quick to setup and work with
  [ Hits: 7964 | Votes: 5 | Rating: 4.6 ]

• W5VMs Shorty 40 Antenna - A shortened dipole for 40 meters band by Martin E. Meserve
  [ Hits: 2655 | Votes: 7 | Rating: 9.85 ]

• 6 Elements Yagi for 50 MHz - Six elements yagi antenna for 6 meters band. This antenna design is based on the QuickYagi 4 software by WA7RAI, uses a 6.5 m boom, feature 12.0 dBi gain and 35dB front/back
  [ Hits: 767 | Votes: 1 | Rating: 10 ]

• 80 meters spiral loop antenna - N4SPP 80 meters band spiral loop antenna based on SM0VPO design
  [ Hits: 5253 | Votes: 10 | Rating: 7.1 ]

• Multi-Band Mono Delta Loop - Build a Multi-Band Mono Delta Loop for 40, 30, 20 and 15 Meters.
  [ Hits: 6792 | Votes: 9 | Rating: 5.22 ]

• 80-40-20 Meter Dipole antenna - Multiband dipoles capable of operating on 80 through 6 meters band with a tuner by KJ4EX
  [ Hits: 2776 | Votes: 4 | Rating: 3.5 ]

• 144 MHz Halo antenna - IW3HZX antenna project for a 2 meters halo, in italian
  [ Hits: 2529 | Votes: 8 | Rating: 2.25 ]

• Hentenna for 2 Meters  ^updated - A copper pipe Hentenna for 144 MHz
  [ Hits: 2137 | Votes: 9 | Rating: 5.56 ]

• Recycling TV Antennas for 2-Meter Use - Green that aluminum into something useful right in your own backyard by WB2CQM
  [ Hits: 1126 | Votes: 1 | Rating: 8 ]

• Easy Jpole Building - Easy home brew 2 meter copper jpole antenna build - under 20 bucks - Hits repeaters 45 miles away. Parts used bought at home depot build time 1 hour.
  [ Hits: 3089 | Votes: 9 | Rating: 8.66 ]

• 2 Meter Vertical Mobile Antenna - Mobile vertical antenna for 144 MHz suitable for satellite signals reception by K5OE
  [ Hits: 5545 | Votes: 5 | Rating: 6.3 ]

• Build a 2 Meter Vertical Antenna - Homebrew a 2 meter 1/4 wave vertical antenna for the 146 mHz ham radio band
  [ Hits: 3061 | Votes: 9 | Rating: 6 ]

• 144MHz omnidirectional antenna - A full wave 2-meter VHF omnidirectional antenna by ON6MU
  [ Hits: 7532 | Votes: 26 | Rating: 5.43 ]

• Bird Technologies - Bird Technologies supplier of RF products, like RF Meters, Bird 43, VNA, Spectrum analyzers, attenuators, transmitters combiners, dummyloads, terminators and replacement parts
  [ Hits: 1423 | Votes: 2 | Rating: 10 ]

• 6L6 Transmitter - 40 meters band 5 watts transmitter, uses a 6L6 with a 6X5 rectifier and a 0D3 voltage regulator tube on the screen.
  [ Hits: 1302 | Votes: 1 | Rating: 10 ]

• Wavemeter for Two and 70cm - G8ACC article project for a 144 & 430 MHz wavemeter
  [ Hits: 599 | Votes: 1 | Rating: 10 ]

• 40 Meter QRP Transmitter - A simple 40 meter CW transmitter, it sports full break-in operation and 250 mW of output power.
  [ Hits: 1933 | Votes: 1 | Rating: 2 ]

• Resolving 6 Meter Amateur Interference - Transmitting operations in the 50-54 MHz range offer some unique problems that over the past 50 years have stymied station owners, forcing them to tolerate quiet hours and hostility from family and neighbors attempting to enjoy other electronic services.
  [ Hits: 319 | Votes: 0 | Rating: 0 ]

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