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Losses in yagi antenna elements at 413 MHz
Element losses are particularly important at the highest frequencies where yagi antennas are used for space communication because the sky temperature is very low
post 24 Oct 2024
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Tranistorized Dip Meter, YB0AH
This dip meters use 2SC2369 transistor for RF Oscillator and 2SC458 for AM Tone Oscillator
Trasmettitore ATV 250 mW
TX ATV per i 23 cm con output regolabile da 100 a 250mW
Using Delta Matching on HF Beams
There are a number of advantages to a Delta match feed system and these outweigh any disadvantages
Filtro Passa Basso anti TVI per HF
Adottare l'installazione di un filtro passa basso all'uscita della catena trasmittente
170
This dip meters use 2SC2369 transistor for RF Oscillator and 2SC458 for AM Tone Oscillator
TX ATV per i 23 cm con output regolabile da 100 a 250mW
There are a number of advantages to a Delta match feed system and these outweigh any disadvantages
Adottare l'installazione di un filtro passa basso all'uscita della catena trasmittente
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