marxy's musing on technology

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RTL-SDR for spectrum analysis

Posted: 30 Jan 2019 01:15 PM PST
http://blog.marxy.org/2019/01/rtl-sd...-analysis.html

Since getting back in to RTL-SDR for my recent foray into decoding DMR, I
found that these are a very useful (and low cost) bit of gear.

At the last ham radio meeting at Dural, I bought a Shure radio microphone
and when I got home I wanted to find out what frequency it was on. Cranking
the knob on a receiver was taking forever so I decided to look into
scanning broadly with RTL-SDR.

There is a