understand what you are saying.however, these units were purchased and maintained by the one and  only local two way shop.
they claim that no fudging is possible with these units, and our only recourse is to buy new units, at a cost of about $150.00  per.
they will not give me the details of the tone system.  sounds like a simple two tone touch tone signal.
the software for the radio control system comes from another source, and cannot get them to reveal anything either
ALUGODUS         all you gotta do is
 
thanks for reply


-----Original Message-----
From: nanojects <nanojects@verizon.net>
To: chirp_users <chirp_users@intrepid.danplanet.com>
Sent: Mon, May 27, 2013 7:51 am
Subject: Re: [chirp_users] chirp_users Digest, Vol 53, Issue 29

 Using a wideband receiver (as in the pager) to try to receive a narrow band 
signal ( new system) the audio will be weaker.  You can try to modify 
the pagers to increase the audio going to the tone decode chip.  Either changing 
a resistor or a trim pot might work to increase the audio going to the decode 
chip.  Good luck.

Message: 3
Date: Sun, 26 May 2013 11:57:06 -0400 (EDT)
From: kf8sj@aol.com
Subject: Re: [chirp_users] Baofeng UV5R dtmf on receive///
To: chirp_users@intrepid.danplanet.com
Message-ID: <8D02840CDE7FBBD-1F40-1901C@webmail-m165.sysops.aol.com>
Content-Type: text/plain; charset="us-ascii"


thanks. would appreciate any help possible. with the advent of narrow banding, 
all our pagers will not work. we are paged out by the sheriffs department over a 
public government channel using the dtmf codes. have already explored their 
sending either a different pl tone, or a dcs signal, but their system is not 
capable
of doing either. for the price of a handfull of pagers, could equip the entire 
department with these units, and gain a talk around radio.

not sure what an Arduino sketch is

73 jim studer kf8sj

 
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