super j

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super j

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Antennas : 2M
  • Super Trombone Antenna - Tombone VHF antenna for 146 MHz ad designed by YB8EIP
    [ Hits: 2738 | Votes: 8 | Rating: 5.75 ]
  • Super Duper Moxon for 144 MHz - 6 element super duper moxon antenna for the 144 MHz, a modified HAARP Antenna projetc
    [ Hits: 1913 | Votes: 6 | Rating: 5 ]
Antennas : Beverage
  • About The Beverage Antennas - Receiving Antennas - An article about the Beverage antennas, super long wire receiving antennas thar are unidirectional and have a very low noise that makes this antenna excellent for low band dxing. By Thomas R. Sundstrom W2XQ, 73, June 1981, 73 Magazine
    [ Hits: 185 | Votes: 1 | Rating: 10 ]
Antennas : J-Pole
  • Improving the Super-J - The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. As many attest, there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points. The Super-J has very little separation between the two half-wave radiators.
    [ Hits: 971 | Votes: 2 | Rating: 5.5 ]
  • Improving Gain of the Super J-Pole Antenna - The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points. Get 0.8 dB more gain out of the trusty Super-J by replacing the traditional phasing stub with a long coil.
    [ Hits: 189 | Votes: 0 | Rating: 0 ]
  • J-Pole and Expanded Super J-Pole - The standard J-Pole antenna is a end fed 1/2 wavelength antenna, in this article is explained also how to build an expanded Super J Pole that provides about 4.5 dbd gain. These antennas can be built from EMT electric conduit pipe
    [ Hits: 313 | Votes: 4 | Rating: 5.5 ]
Antennas : Moxon Antennas : Tuners DX Resources : Contest : Contest Stations
  • 6Y1V Contest Superstation - 6Y1V the contest superstation of K1LZ & KY1V at the home of 6Y5GC in Hopewell Jamaica.
    [ Hits: 1759 | Votes: 5 | Rating: 6 ]
DX Resources : DX Peditions : 2020 DXpeditions
  • A35JP Tonga - I will QRV again from Tongatapu Island (OC-049) as A35JP from 24th November 2019 to November 2020. This time, I will be stationed there as a resident supervisor of the international coorporation project. From 24th November 2019 to November 2020 160m-6m. CW, SSB, FT8
    [ Hits: 279 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : USA : Arizona
  • WB7TJD Superstition Amateur Radio Club - Superstition Amateur Radio Club: Ham Radio events and activities of the Superstition ARC include promotion of amateur radio amongst the public via licensing classes and radio communication demonstrations, on-air nets and discussion, and the December Hamfest in Mesa, Arizona
    [ Hits: 697 | Votes: 5 | Rating: 6.6 ]
  • WB7TJD Superstition Amateur Radio Club - Serving the East Valley since 1973
    [ Hits: 566 | Votes: 0 | Rating: 0 ]
Propagation : Observatories
  • SuperDARN - An international Radar network for studying the Earth\'s upper atmosphere, ionosphere, and connection into space.
    [ Hits: 256 | Votes: 1 | Rating: 7 ]
Technical Reference : APRS
  • Barest of bones APRS RF position reporter - Super Simple APRS Position Reporter. This project idea has been in response to the more hardware heavy Raspberry Pi projects that involve extra TNC hardware, additional sound cards, and custom cabling. This APRS position reporter is done using a Raspberry Pi B+, USB GPS receiver, Baofeng UV-5R, and a mono 3.5mm audio cable between the Pi and HT.
    [ Hits: 182 | Votes: 0 | Rating: 0 ]
Technical Reference : Coax Cables and Connectors Technical Reference : Keyers
  • CMOS Super Keyer - Home made keyer with 8 memories, auto spacing, adjustable speed & weighting, separate paddle and key inputs, beacon mode, positive or negative keying, fuse, extremely low power requirements, and a bullet proof housing by AA5TB
    [ Hits: 1863 | Votes: 1 | Rating: 6 ]
Technical Reference : Receivers Technical Reference : Receivers : Regenerative Receiver Technical Reference : Test Equipment : RF Probe
  • Sensitive RF Test Probe - Sensitive RF probe based on the use of a superbright LED by G4TKV
    [ Hits: 918 | Votes: 2 | Rating: 3.5 ]
Technical Reference : Test Equipment : Signal Generator
  • An introduction to YIG Tuned Oscillators - The YIG Tuned Oscillator (YTO) is the only direct signal source to provide multi octave tuning bandwidths in excess of 10 GHz. Common tuning ranges are from 2-10 GHz, 8-18 GHz and 10-20 GHz. YTO is are also known for their superior phase noise and exceptional tuning linearity.
    [ Hits: 35 | Votes: 0 | Rating: 0 ]

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