[chirp_users] chirp_users Digest, Vol 53, Issue 29

nanojects at verizon.net nanojects at verizon.net
Mon May 27 05:51:03 PDT 2013


 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 at aol.com
Subject: Re: [chirp_users] Baofeng UV5R dtmf on receive///
To: chirp_users at intrepid.danplanet.com
Message-ID: <8D02840CDE7FBBD-1F40-1901C at 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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