70 cm antenna

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70 cm antenna

94 links - and 1 categories

Antennas : 23cm
  • 1270Mhz Yagi Antenna - Build your own antenna for the 23cm band ( 1250Mhz - 1280Mc ) using some aluminium and this simple design.
    [ Hits: 12434 | Votes: 19 | Rating: 6.69 ]
Antennas : 2M
  • G4CQM Homebrew VHF Yagi antennas - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis
    [ Hits: 21428 | Votes: 104 | Rating: 8.46 ]
Antennas : 6M
  • X-Beam for 6m 2m and 70cm - X-Beam antenna by K0EMT for 50 Mhz and VHF UHF bands
    [ Hits: 5462 | Votes: 12 | Rating: 4.66 ]
  • Flex Antenna - A flex antenna working on 6m and 70cm by K0EMT
    [ Hits: 1535 | Votes: 0 | Rating: 0 ]
Antennas : 70cm
  • Build A 9dB, 70cm Collinear Antenna  pop - 70cm, Collinear Antenna From Coax
    [ Hits: 32642 | Votes: 105 | Rating: 6.87 ]
  • 70cm yagi antennas - Pictures and plans to build 70 cm yagi antennas
    [ Hits: 16737 | Votes: 51 | Rating: 5.34 ]
  • 440 Mhz J-Pole Antenna plans - Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary. The dimensions aren't typical however, this is what it took to get its SWR low.
    [ Hits: 20919 | Votes: 51 | Rating: 4.8 ]
Antennas : J-Pole
  • A J-Pole for 2-meters and 70-cm  pop - An Easy Dual-Band VHF/UHF vertical Antenna made with a TV twin lead and coax cable
    [ Hits: 103645 | Votes: 135 | Rating: 5.97 ]
  • Copper Cactus J pole 2 metter 70 Cm dualband - Homebrew a j-pole 2mt and 70 cm antenna project. Make it cheap. This article includes homebrewing instructions, parts lists, tools needed and printable documentation.
    [ Hits: 10340 | Votes: 29 | Rating: 6.35 ]
Antennas : Portable
  • 70cm Quadruple Quad  updated - A suitable high gain 70cms antenna for SOTA operation by Richard Price GW0VMW
    [ Hits: 11665 | Votes: 16 | Rating: 6.25 ]
  • A Portable Antenna for Satellites - A portable antenna for mode B and J satellites
    [ Hits: 11394 | Votes: 6 | Rating: 3.67 ]
Antennas : Quagi Antennas : Satellite
  • Handi-Tenna portable satellite antenna - Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip
    [ Hits: 13270 | Votes: 7 | Rating: 7.37 ]
  • K5OE, 70 cm Quagi Antenna - An AO-10 antenna by K5OE, this design is optimized for 436.8 mHz with a 50 Ohm feed
    [ Hits: 5343 | Votes: 5 | Rating: 7.4 ]
  • AO-40 70cm Uplink Antenna - homebrew satellite antenna
    [ Hits: 4120 | Votes: 3 | Rating: 6.33 ]
Antennas : VHF UHF
  • VHF/UHF Yagi Antenna Design  updated  pop - Design your VHF UHF Yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna for 2m and 70cm bands. This page offers a streamlined experience for Yagi antenna design enthusiasts. It assumes prior knowledge of Yagi design principles, minimizing distractions with a user-friendly interface. Equipped with essential equations, it provides instant design feedback. Red font warnings indicate design limitations, ensuring practical results. Constraints include Gain (11.8-21.6 dBd) and Boom Length (2.2-39 wavelengths), with additional frequency-dependent restrictions noted in input fields.
    [ Hits: 147387 | Votes: 1105 | Rating: 6.95 ]
  • Vertical antenna for 2 mt and 70cm  pop - How to Build a Dual-Band Antenna for 2M/70cm presentation PDF file
    [ Hits: 28701 | Votes: 49 | Rating: 6.26 ]
Radio Equipment : HF Transceivers : Yaesu FT-817
  • Yaesu FT-817 discussion group - Members discuss the operation of and modifications to this outstanding QRP rig that covers 160m 70cm with all modes. Site contains a large database of FT-817 FAQs and data files. Antennas, tuners, and power sources are also covered as related to this ultra-compact transceiver.
    [ Hits: 12756 | Votes: 93 | Rating: 6.85 ]
Technical Reference : Antenna Switch
  • A Coax Switch - An inexpensive coax switch. shows a proven inexpensive home-made antenna selection switch. If you question the use of a cheap slide switch and SO239 coax sockets, read on. Measurements in a physics lab showed there to be practically no reflection on HF and even on 70 cm the SWR was below 1.3 : 1
    [ Hits: 9674 | Votes: 8 | Rating: 7.5 ]

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