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A Motor Drive for your Variometer


A Motor Drive for your Variometer

Everyone who has set up a low frequency base loaded antenna is aware of the very narrow bandwidth of the antenna system, and the seemingly constant need to retune the antenna

post 03 Sep 2024


Projects_Homebrew Links

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Moonbounce the Elevation bearing
Like a lot of other homebuilder do, I decided to also use a standard actuator to perform the elevation of the array

Preamplificatore 435 Mhz GaAsFET
GaAsFET adatto alla preamplificazione dei deboli segnali satellitari

Preamplificatore di antenna 144-146 Mhz per satelliti VO-52 e OA-27
Il preamplificatore ha un guadagno elevato con una cifra di rumore molto bassa

PSK31 per tutte le radio
Si riduce alla sola commutazione sfruttando la tensione che viene a crearsi sulla seriale del pc quando il programma in uso va in trasmissione

My homemade electronics stuff


Ferrite-shop

Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice

Kits and Components

Amateur radio kits by Kanga US

Pcs Electronics

Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters