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Quadrafilar helix antenna for the 137 Mhz
I had always wanted to try and receive a signal from a satellite using my scanner
post 08 May 2024
Helix Antennas Links →
2m-70cm-quadrifilar-helical-antenna
Build a pair of QHAs, one for 2 meter and one for 70 cm. A diplexer is of course needed to connect both to the single antenna connector of a dualband radio
2.4Ghz Helix antenna
Antenna especially for frequencies in the range 2 - 5 GHz this design is very easy, practical, and, non critical
2400 MHz Helix Antenna
This antenna is easy to build and suitable for broadband work, satellite work and terrestrial work
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Build a pair of QHAs, one for 2 meter and one for 70 cm. A diplexer is of course needed to connect both to the single antenna connector of a dualband radio
Antenna especially for frequencies in the range 2 - 5 GHz this design is very easy, practical, and, non critical
This antenna is easy to build and suitable for broadband work, satellite work and terrestrial work
PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic