On 6/29/2020 4:01 PM, kd6bzn@gmail.com wrote:
I’m thinking of buying an SDRPlay or HackRF product instead, to display frequency
tuned zero span analysis. I haven’t seen a video yet, but do either of these devices
(with available software) perform zero-span sweeps?
I don't know the HackRF product, but the SDRPlay, with several possible
freeware control programs, is a very capable product for chasing RFI. So
are DSP transceivers, like those made by Flex and Anan. This slide deck
for a talk I've done at Pacificon, Visalia, and to several ham clubs
includes several suitable SDRs that would work fine. When I prepared
that talk I found a very nice website that listed more than a dozen SDR
receivers, ranging in cost from about $25 to more than $500.
I've never heard of "frequency tuned zero span analysis." Do you mean
listen to audio at a single RX frequency and display the audio spectrum?
That would be a software function. Some poking on the internet (or even
asking around among SDR users) would likely find control software that
does that.
Here's a great starting place. https://www.dit-dit-dit.com/
73, Jim K9YC
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