Measuring FM Deviation using the Bessel NULL Method (030a)

In this video I will be showing you how to measure FM Deviation using the Bessel Null Method.

This can be done with either a CW Receiver or a Spectrum Analyzer.

HERE IS THE PROMISED LINK TO BESSEL PLAY SPREADSHEET:
https://docs.google.com/spreadsheets/...

Time Markers for Your Convenience
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00:05 Introductory Comments
01:11 Background of the Bessel Null Method
03:12 The numbers YOU need to know
04:07 The Setup
05:12 What you need: See the Carrier ONLY
06:56 A Tour of My Setup
06:59 The Hardware
07:56 Settings
07:57 Modulation Frequency
08:52 Spectrum Analyzer
09:15 The Radio
10:27 Measuring FM Deviation
12:15 Calculating the FM Deviation
13:14 Setting an FM Deviation
14:49 Setting CTCSS Deviation
16:56 Final Comments and Toodle-oots
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