NASA HF ACTIVE ANTENNA

A place to discuss the HF and Shortwave listening side of the radio hobby. Discuss equipment, frequencies and antenna systems etc. Anything HF!
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ch25
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Re: NASA HF ACTIVE ANTENNA

Post by ch25 » 16 Feb 2018, 15:16

You can use any transformer type stabilised 12V power supply. Avoid switching PS.
Chris
You can't have too many antennas...
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gerald123
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Re: NASA HF ACTIVE ANTENNA

Post by gerald123 » 18 Feb 2018, 11:03

i have now put my active antenna, on my garage roof...listening to 40 mtre band at the moment working fine.with a bit of backround noise ...but at least antenna is working like it should...great stuff
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Farty
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Re: NASA HF ACTIVE ANTENNA

Post by Farty » 01 May 2018, 22:30

I use one of these for SWL. It's splendid, very good for all modes and freqs.
In Before The Lock Champion of Total Magnificenceness May 2016
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