Q: My link radio doesn't have a COR signal. Is there a VOX I can hook up to the 7330?

A Voice-Operated Switch (VOX) is a common way to detect audio from a device that doesn't have a COR signal available.  The 7330 does not have one built in.  There are a couple listed on the Repeater-Builder web site:

http://www.repeater-builder.com/projects/remotebasecos.html
http://www.repeater-builder.com/projects/jpl-vox-sq/ssb-squelch.html

Ramsey Kits also has a couple:

www.ramseyelectronics.com

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