70 MHz

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70 MHz

155 links - and 4 categories

Antennas : 4M
  • A Coax dipole for 4 m - This center-fed coaxial dipole for 4 mters feature low-cost components, Easy to set-up - nothing to adjust and no metalwork required, with only four soldered joints
    [ Hits: 551 | Votes: 1 | Rating: 10 ]
  • 70 MHz Delta Loop - A simple delta loop antenna for the four metre amateur radio band
    [ Hits: 534 | Votes: 6 | Rating: 7.17 ]
  • A centre-fed co-axial dipole for 4-m - This design has the following advantages low-cost components, Easy to set-up - nothing to adjust, no metalwork required, and only four soldered joints!
    [ Hits: 551 | Votes: 1 | Rating: 10 ]
Antennas : 6M : 6 meter Yagi Antennas
  • GTV 50 - 3W Yagi Antenna - A compact high G/T Yagi with bent Drive element by DG7YBN
    [ Hits: 386 | Votes: 1 | Rating: 10 ]
Antennas : 70cm
  • UHF Dual Rectangle Antenna - The antenna described here is a direct-connect dual-rectangle beam for use on 70 cm between 440 and 450 MHz
    [ Hits: 953 | Votes: 3 | Rating: 6 ]
  • 432 MHz 5 elements Yagi - 5 Element Yagi with Conventional Driver, this little Yagi has a high F/B, which makes it quite useful as a contest stack.
    [ Hits: 725 | Votes: 2 | Rating: 10 ]
  • DG7YBN - GTV 70-2m - A compact Yagi with bent Driven Element. Worlds smallest yagi that did EME QSO
    [ Hits: 478 | Votes: 2 | Rating: 8.5 ]
  • 432 MHz yagi antenna - A 70 cm yagi designed for EME + SSB narrow bandwidth version, strictly G/T breeding. This little Yagi has a high F/B, which makes it quite useful as a contest stack
    [ Hits: 676 | Votes: 2 | Rating: 10 ]
  • DG7YBN - GTV 70-11w - A high G/T Yagi with bent DE for compact contest arrays
    [ Hits: 406 | Votes: 17 | Rating: 8 ]
Antennas : J-Pole
  • A Dual Band VHF/UHF J Pole - This antenna provides continuous coverage of the 2 metre (144-148MHz) and 70cm (430-450MHz) bands and is an excellent choice for base station use.
    [ Hits: 2278 | Votes: 17 | Rating: 6.83 ]
Radio Equipment : HF Transceivers : Icom IC-703
  • IC-703 Manual - Icom IC-703 HF + 50 MHz english instruction manual
    [ Hits: 364 | Votes: 0 | Rating: 0 ]
  • The Icom IC-703 QRP - A review with early observations and technical data specifications of the Icom IC-703 QRP HF+50 MHz transceiver
    [ Hits: 202 | Votes: 0 | Rating: 0 ]
  • Icom IC-703 - IC-703 HF/50MHz All Mode Transceiver, official Icom web site, specifications, Instruction Manual, Product Brochure . Hi-Resolution Image
    [ Hits: 190 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Icom IC-7300
  • Introduction to ICOM 7300 - In this youtube video G8GKC M0KKW and 2E0IAJ from Icom UK give a global overview of the ICOM IC-7300 HF 50 70MHz Software Defined Radio transceiver
    [ Hits: 1222 | Votes: 2 | Rating: 10 ]
Radio Equipment : HF Transceivers : Kenwood TS-590S
  • TS-590S TX Mod  updated - There are 2 possible TX extensions on the E version, either full TX (1.705 - 30 MHz) or just open up 5 MHz (cut the R968 jumper and make it into a K version). This mod has been tested on TS 590S and not on TS 590SG
    [ Hits: 1193 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Yaesu FT-847
  • FT-847 Roofing Filter Mod - The mod requires an INRAD 45,705 MHz Crystal Roofing filter and the IC-765 add-in Board
    [ Hits: 403 | Votes: 1 | Rating: 1 ]
Technical Reference : Amplifiers : VHF Amplifiers Technical Reference : Transverters
  • Transverter for 4 meters band - A 70 MHz Transverter project with a block diagram and schematics
    [ Hits: 351 | Votes: 0 | Rating: 0 ]
  • 4m Transverter Project - A 70 MHz QRP transverter project
    [ Hits: 579 | Votes: 1 | Rating: 1 ]
  • 50 MHz and 28 MHz transverter - This transverter was built in 1994 and include in this page a pdf with circuit board, and a version of this project for 70MHz.
    [ Hits: 305 | Votes: 1 | Rating: 3 ]

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