SDR as ghost box?

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afalwell

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I was wondering if it was possible to use SDR as a "ghost box". I personally don't put much stock in them being a connection to the spirit world or whatnot, but I think it would make for a fun project or program. Basically what they do is scan about 15 FM station radio bands per second or something. Is this possible, been thought of or done before? I have seen devices that do this selling for 100 dollars or more on the internet (really!). Any thoughts welcome.
 

robnj74

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I was wondering if it was possible to use SDR as a "ghost box". I personally don't put much stock in them being a connection to the spirit world or whatnot, but I think it would make for a fun project or program. Basically what they do is scan about 15 FM station radio bands per second or something. Is this possible, been thought of or done before? I have seen devices that do this selling for 100 dollars or more on the internet (really!). Any thoughts welcome.
I would say no, because those frequencies are to low for it to receive (somewhere in the order of 20Hz).
 
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Yes

Commercially available spirit boxes only scan am and fm frequencies. Some hacks can scan am + fm + sw the cheapest of the Chinese SDR dongles can scan all these frequencies plus a hell of a lot more. So an SDR would make a Great Spirit box, someone just has to write the software to make it happen. I’m thinking about it writing one. Although I suck with GUI’s, so if I did write one it would probably be with Microsoft visual c++.
 
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