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

[R. Wayne]

I have Radio Doctor but it states that it will not activate the accessory pins on the back – just the frequency and PL info.

From: Jeff Carrier 
Sent: Wednesday, June 10, 2015 4:17 PM
To: R. Wayne 
Cc: app_rpt mailing list 
Subject: Re: [App_rpt-users] Setting Up a Remote Base w/RTCM

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. :-)

  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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