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Kite Drachens mobil 80m-Bandes


Kite Drachens mobil 80m-Bandes

At the moment, I own a Cody man lifter kite with a wingspan of 2.5 m. I build myself an earth net as a counterpoise and use the kite as a skyhook to lift a 42m 137.8 ft

post 09 Oct 2024


Antenna HF Portable Links

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Antenna Telescopica FT817
La costruzione di questa antenna portatile e' semplicissima, un paio di ore di lavoro e risparmierete centinaia di euro

Antenna multibanda verticale portatile
Con bobina di carico alla base a prese commutabili tramite doppio commutatore elettronico e visualizzatore a diodi led

Antenna telescopica per FT-817 adattata con un toroide
Una telescopica, un toroide e un commutatore, ho pensato di farmela da solo


23cm Yagi Antenna building

23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency

50 MHz preamp Gain 26dB with the BFG135

50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection

interface-for-digital-broadcasts-with-integrated-audio

Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free