70 cm antenna

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70 cm antenna

94 links - and 1 categories

Antennas : 70cm
  • J-Pole antenna for UHF Bands - This is a simple half wave antenna for 70 cm band, made using the jpole design.
    [ Hits: 192 | Votes: 1 | Rating: 10 ]
  • Cross-Yagi 10el Antenna for 70cm - 10 Elements Cross-Yagi Antenna for 433 MHz. The base of the 10el antenna is the recalculated RA6FOO antenna.Circular polarization is realized - by a phasing quarter-wave line, matching of horizontal and vertical polarization antennas
    [ Hits: 173 | Votes: 6 | Rating: 8.83 ]
  • 70 cm Helix Antenna - Helix antenna 432/435 MHz 14 turns. This 50 ohm impedance antenna allows, when fed with 25/50W of SSB RF, to join the orbiting satellites like AO-40 and AO-10 very easily
    [ Hits: 250 | Votes: 2 | Rating: 10 ]
Antennas : Portable
  • 2m Lightweight Portable Dipole - Lightweight portable QRP 2m & 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box.
    [ Hits: 174 | Votes: 1 | Rating: 9 ]
  • Portable VHF UHF Dipole Antenna - A SOTA Lightweight Portable 2m 70cm Dipole Antenna Lightweight portable QRP 2m and 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box.
    [ Hits: 174 | Votes: 0 | Rating: 0 ]
Antennas : Satellite
  • Satellite Yagi crossed 2m, 70cm - Construction of an antenna for experimental satellite communication, 8el. (435 Mhz) x 4el. (145 Mhz) Satellite Yagi crossed. No difficulty to built this antenna. Except the gamma match. that requires a little more attention
    [ Hits: 145 | Votes: 0 | Rating: 0 ]
  • UHF VHF Crossed Satellite Yagi Antenna - This home made antenna provides around 10.5dBd gain on 70cm, and 6.5dBd gain on 2m, which is more than adequate to work the FM satellites with a handheld dual band radio
    [ Hits: 370 | Votes: 2 | Rating: 9 ]
  • 70cm Eggbeater Antenna - Building a LEO satellite ground station, and eggbeater antenna for the 70cm band
    [ Hits: 239 | Votes: 1 | Rating: 7 ]
Antennas : VHF UHF
  • Dual Band Quarter Wave Droopy Antenna - Adapted from a similar project by NA4IT. Made with one quarter wave 2 meter radiating element pointing upward and it is surrounded by four 70 cm elements.
    [ Hits: 342 | Votes: 1 | Rating: 9 ]
  • Tri-Band VHF/UHF Antenna Design - The TBJ-1 – a triband base antenna was published in March 2017 QST. This antenna covers 2M/220 MHz/70cm in one 6ft 3/4 inch PVC pipe and requires no radials.
    [ Hits: 210 | Votes: 0 | Rating: 0 ]
  • Small DuoBand Antenna - This small dual band UHF VHF directional antenna is good choice for portable operations. This antenna is composed by a moxon antenna for the two meters band and it includes two parastatic elements for 70 cm band.
    [ Hits: 195 | Votes: 1 | Rating: 2 ]
  • VHF UHF Duo band Yagi Antenna - Duoband Yagi 2m/70cm with 4 Elements on 2 m and 5 Elements on 70 cm and one Feed point. The 4-El.-Ultralight-Yagi for 2m can be used on 70cm with an SWR of 1,5 without any changes.
    [ Hits: 150 | Votes: 6 | Rating: 7 ]
Ham Radio : Blogs
  • ZS1II VE2EK Amateur Radio Blog - Amateur radio blog about Homebrew equipment,ham radio antennas, satellites, QO-100 operations, rf amplifiers, 2m ldmos amplifier, 70cm ldmos amplifier, 23cm ldmos amplifier
    [ Hits: 115 | Votes: 3 | Rating: 8.67 ]
Operating Modes : Satellites : CubeSats
  • Greencube (IO-117) Guide to Setup, Software and Operation - Explore the detailed setup, essential software, and operational nuances for Greencube (IO-117), a Medium Earth Orbit (MEO) satellite with a 70cm digipeater, offering DX possibilities for amateur radio enthusiasts. From antenna configurations to software choices, this guide covers everything for a successful Greencube experience.
    [ Hits: 136 | Votes: 0 | Rating: 0 ]

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