[App_rpt-users] USB Radio Commands

Jim Duuuude telesistant at hotmail.com
Tue Oct 9 21:16:37 EDT 2012

It is one of those 'it really has no good reason to ever be used' options, and I have no idea why someone wanted it,
but it was harmless and utterly trivial to add, so I did. It, along with a few others of those were never documented
to discourage their (quite questionable) use.


From: w7ry at centurytel.net
To: app_rpt-users at ohnosec.org
Date: Tue, 9 Oct 2012 18:05:25 -0700
Subject: [App_rpt-users] USB Radio Commands

So if this setting txprelim=no   is: 

TX audio processing. Options: (no,yes). Choosing yes turns on 
preemphasis and peak limiting, along with a lowpass filter. The yes 
is used when driving an FM transmitter directly by injecting audio right 
the modulator. The no option provides audio which should be injected 
the microphone input of the transmitter or at some point in the 
speech amplifier before preemphasis,
and limiting.
What is the setting? 
Nothing in the manual about it.
Thanks 73
Jim W7RY

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