500 meter band

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500 meter band

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Antennas : 6M : 6 meter Yagi Antennas

  • LFA Yagi Antenna for 6 meter band - This antenna is reported as being lower noise than conventional yagis and had a very low SWR for 500 KHz.
    [ Hits: 199 | Votes: 3 | Rating: 7.33 ]
Antennas : Moxon
  • Moxon Mania - Building the Ultimate 4-Band Moxon Antenna - The article details the design and construction of a four-band Moxon beam by a radio amateur. The beam, mounted atop a rooftop tower, aimed for gain over a dipole on 20 meters, cost under $500, and included additional bands. The design features fiberglass spreaders, four bands (20/15/10/6 meters), and a single feedpoint. The construction involved computer modeling, NEC source code, and specific dimensions. The article outlines the assembly, materials, and tuning process, including in-situ adjustments for optimal performance. Despite initial challenges, the beam improved signal strength and facilitated contacts on multiple bands, marking it as the best HF antenna the author has owned.
    [ Hits: 94 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • LF MF Antenna Tuner - W5JGV antenna tuner for 150 - 500 Khz band
    [ Hits: 2853 | Votes: 2 | Rating: 8 ]
Manufacturers : Test Equipment : Signal generator
  • Keysight (Agilent) Signal Generator - Keysight offers numerous baseband, RF, and microwave signal generator (signal source) products. From basic to advanced, baseband to 67 GHz, Keysight signal generators are capable of frequency extensions to 500 GHz with millimeter-wave source modules.
    [ Hits: 237 | Votes: 0 | Rating: 0 ]
Manufacturers : Transceivers
  • PolEx Technologies - Makers of the The Polar Explorer transmitter, which operates on 9 HF bands from 160 through 10 meters and is capable of 500 watt peak output power on SSB, CW, AM, FM and RTTY. It is intended to be used in conjunction with a transceiver.
    [ Hits: 500 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : HF Amplifiers
  • G3YXM 500 W PA - 40-80-160 meter band linear amplifier
    [ Hits: 3622 | Votes: 3 | Rating: 7 ]
Technical Reference : HF Radios
  • PT40 7 MHz Transceiver by AA3SJ - Home made 40 meter transceiver project. The receiver is a Progressive Receiver with a few modifications. The Transmitter is a modified MFJ Cub circuit. Includes schematic and circuit diagrams for Receive Input Filter, 3-Pole 500 Hz Cohn Filter and 7 MHz Double Tuned Bandpass Filter
    [ Hits: 162 | Votes: 0 | Rating: 0 ]
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