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U301 FET preamplifier
This FET preamplifier has been around for almost 25 years. It is extremely reliable and can handle several watts directly into either the input or the output without failure
post 03 Jun 2026
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Radio Antenna Preamplifier Kit
A low noise radio antenna preamplifier for the 1 to 30 MHZ frequency range. This kit is based on the classic design of W7IUV
Swl active hula hoop square loop rx antenna
Progetto di un'antenna a loop attiva di JohnHawes G8CQX con alcune variazioni
Preamplifier 144 -432 Mhz
This good and easy to build preamplifier good for the EME
Radio Preamplifier for 2 mtr reciever
the gain is near 20db
Front-End-Saver-Version-Ok1rr
Front-end saver as revised by ok1rr, grounds the rx antenna whenever the tx went key-down
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A low noise radio antenna preamplifier for the 1 to 30 MHZ frequency range. This kit is based on the classic design of W7IUV
Progetto di un'antenna a loop attiva di JohnHawes G8CQX con alcune variazioni
This good and easy to build preamplifier good for the EME
the gain is near 20db
Front-end saver as revised by ok1rr, grounds the rx antenna whenever the tx went key-down
Microsat Ham radio shop for ulari project, aprs, aprs with radio, bluetooth, gps, gsm, ham radio interfaces, weather,accessories, cables to radio
Amateur radio kits by Kanga US
Enigma Component Shop Cable & wire,capacitors, connectors, crystals/oscillators, filters, hardware,kits/modules,test & measurement