Deviation Meter

I hadn't built anything in a while. And a friend mentioned the desire to have something to check for proper deviation on various Echolink and repeater setups.

In a prior blog, Are you narrow or wide?, I covered more of the background.


There is a lot out there on this sort of thing.

http://www.repeater-builder.com/projects/poor-mans-dev-meter/devmeter.html

http://www.repeater-builder.com/rbtip/deviationmeter.html

FM Packet Deviation Meter

So I suggested we build this and hook it to a an old dedicated scanner. And after construction we calibrated it against a club IFR-1200 service monitor.

If you are not found of breadboarding, the above 73 article has an etched board available:

http://www.farcircuits.net/test1.htm

Here is a video that my friend made:


You'll be disappointed to know that Radio Shack doesn't carry the 15 vdc panel mount meter anymore.