Amateur Radio – Page 5 – This and That!

Using a RTL-SDR Dongle to Measure FM Deviation

By Sean Posted on November 22, 2014 Posted in Amateur Radio, Repeater Tips No Comments

I’ve very successfully used the Bessel Null / Modulation Index method using a rather crude test setup. First I made a audio patch cable with a PTT switch to go from my laptop to my handheld. Then I plug in …

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Push up mast mounting ideas

By Sean Posted on June 16, 2014 Posted in Amateur Radio, Search and Rescue Tagged with antenna, mast, radio, SAR, trailer

The Search and Rescue group I belong to has had an enclosed trailer for a number of years that was purchased to be used for equipment storage, and as a secondary command post or staging area office. So far it’s …

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Category: Amateur Radio

Using a RTL-SDR Dongle to Measure FM Deviation

Push up mast mounting ideas

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Category: Amateur Radio

Using a RTL-SDR Dongle to Measure FM Deviation

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Push up mast mounting ideas

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