[App_rpt-users] Setting Up a Remote Base w/RTCM

[Jeff Carrier]

The GM300 and M120 can be programmed by a piece of windows software called
"radio doctor" that works quite well. Radio Doctor is not motorola software
so i'm assuming it's perfectly legal.

On Wed, Jun 10, 2015 at 11:36 AM, R. Wayne <allstar at controlservers.net>
wrote:

>   Our remote base isn’t cutting it. It is half-duplex using a Vertex
> VX-4200. We are told that the audio has no bottom, it is sending CWID that
> it hears from the repeater (I knew why) and is sending pulses. I didn’t set
> the hardware or software up, so as I ask please know that I am at the top
> of a mountain and the remote base at the bottom where we have internet.
> Here’s what we are dealing with. Our intent is to attach the RTCM at the
> repeater site once we have internet up there. Until then...
>
> The DB-15 on the back of the Vertex VX-4200 is *almost* capable of being
> used as a repeater controller output.
>
> Pin 1 = TX Audio
> Pin 2 = RX Audio
> Pin 6 = External PTT
> Pin 9 = COR (see notes)
> Pin 15 = GRND
>
> COR is achieved by creating voltage divider using other pins. Only then
> will one get COR but not COS. PL will only make it to the speaker on the
> front panel and rear jack. PL IS NOT on pin 2. Pin 2 is squelched but when
> it receives the repeater’s built-in controller (a Motorola MSF-5000). Every
> time our CWID goes off our remote base sends it to everyone.
>
> Here are the problems. First, we’re told that we are committing link abuse
> by “jumping” or key clicking every time someone else transmits on a node
> our node replies. I don’t know what I am talking bout at this point. [image:
> Smile]:-)
>
> Next I am told that our audio has no bottom end. No bass. The pin that
> we’re able to pull from is the only source that we’re aware of and is the
> pin used by Vertex to send audio to their VRS (mobile repeater).
>
> http://www.shercoares.org/doc_files/manuals/vx4200_sm.pdf
>
> I’ve been told to turn PL off and let the repeater pass through the tone.
> But please remember that pin 2 has no PL on it. Only the front panel
> speaker and rear speaker jack audio are muted by PL.
>
> The easiest solution may be a GM300 but I cannot get the darn software on
> our old 386 laptop. The floppy decided to only read those created by
> itself. We’re puckered up on this one.
>
> Suggestions are appeciated.
>
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