[aklug] Re: Radio antenna help

I've only played around with my sdr dongle a bit but there's some good exercises for gnu radio here: http://greatscottgadgets.com/sdr/

Antenna design will really be driven by your desired use.

-Dave

On December 6, 2016 6:37:07 PM AKST, James Zuelow <e5z8652@zuelow.net> wrote:
>
>
>On 12/06/2016 04:31 PM, Hans Thompson wrote:
>> Hi everyone. I've been a lurker for a couple months now.
>>
>> I'm looking for help with optimizing an antenna for software defined
>> radio. I know this isn't related to linux but I'm sure there are
>> folks out there with some experience that I can learn from.
>>
>> Thanks.
>> Hans Thompson
>
>Hi Hans -
>
>I have a beaglebone black with a 7" LCD cape running Debian and gqrx.
>I
>plug a FunCube Pro+ into it.
>
>For UHF/VHF I just grab an SMA HT antenna and go. Putting gqrx into AM
>
>mode and walking around gives you a poor-man's RFI detector.
>
>For HF, I have a UHF -> SMA pigtail and I plug it into my HF antenna,
>but really all you need is wire, and a lot of it. One receiving
>antenna
>I've tested is a 90-foot roll of RadioShack 20-gauge black wire.
>Solder
>one end to the positive terminal of a UHF adapter, and put the other
>end
>into a convenient tree (with a little weight behind it). Thinking
>about
>it, I suppose that I could have soldered the wire to a male SMA adapter
>
>and dispensed with the pigtail, but aside from that a 90-foot roll of
>wire isn't "optimized" for much.
>
>I've thought about making a small loop for ARDF. The beaglebone could
>make a pretty decent 80m/2m combo detector just by swapping antennas.
>
>But what are you optimizing the antenna for?
>
>73,
>
>James
>KL2ZZ
>
>
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