DIY Field strength meter !

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These Sattelite Finders (and similar types) are easily available from Sat-TV suppliers are are not expensive.

Eric.
 

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Search on google for 'field strength meter' and you should find a few schematics, some good, some bad. Most of them are for HAM use so they are tuned to some AM frequency bands like 80 MHz to 100 MHz. Some of them go a little higher. If you're doing sattelite, you'll probably be wanting a little higher frequency so you might have to tweak your own design.

I need to build a FSM myself for a project but it needs to detect from 400 Hz to 24 MHz. Here are two sites I think were useful.

http://www.talkingelectronics.com/FreeProjects/FM-Bugs/FieldStrengthI/FieldStrengthI.html
http://cs.okanagan.bc.ca/ve7ouc/eng/kc6wdk-mirror/fsm.html
 
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