RadioReference.com Forums

These are handy "toolbox" items for anyone using discriminator audio for trunked radio decoding. They turn your microphone or line input into a one or two channel oscilloscope. Some programs also feature a Spectrum Analyer.

Here are a few ... you can search via Google or Yahoo! for more examples. If someone has a program they really like, please post it here.

http://polly.phys.msu.su/~zeld/oscill.html

http://www.delphiforfun.org/Programs/oscilloscope.htm

http://shmelyoff.nm.ru/

-rick