70 cm antenna
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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 ]
- 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 ]
- 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: 371 | 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 ]
- 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 ]
- 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 ]
- 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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