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Antenne Helicoidale 2.4 GHz
Here is the design of a 2.4 GHz antenna that is ideal for amateur satellite communications. This antenna is easy to assemble because the design itself tolerates inaccuracies in the construction without really affecting performance. And with this antenna, you won't have any difficulties working all current and future amateur satellites offering the 2.4GHz
post 02 Jul 2024
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Antenna elevator system for amateur satellites
The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system
Antenna Turnstile per i satelliti Polari
due spezzoni di cavo 75 ohm la cui lunghezza deve differire esattamente di un quarto d'onda della frequenza di 136-137 MHz
Antenna quadrifilare per la ricezione dei satelliti meteo polari
L'antenna puo' venir corredata da due riflettori incrociati.E' consigliato un preamplificatore in prossimita' dell'antenna
A Portable Antenna for Mode B and J Satellites
In my case, I had been working SO-35 with a 1/2 wave on 70cm and a 1/4 or 5/8 wave on 2m. With these antennas and a little planning, it is possible to work this bird from a train
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The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system
due spezzoni di cavo 75 ohm la cui lunghezza deve differire esattamente di un quarto d'onda della frequenza di 136-137 MHz
L'antenna puo' venir corredata da due riflettori incrociati.E' consigliato un preamplificatore in prossimita' dell'antenna
In my case, I had been working SO-35 with a 1/2 wave on 70cm and a 1/4 or 5/8 wave on 2m. With these antennas and a little planning, it is possible to work this bird from a train
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