[aprssig] Deviation meters

'Scott Miller' scott at opentrac.org
Thu Apr 5 08:54:13 CDT 2007

Well, I think at the very least I'll make sure the next T2-135 board has an
ADC connection to the discriminator.  With a little bit of calibration, it'd
turn a DR-135T into a deviation meter, with remote measurement capability.


> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of Alan P. Biddle
> Sent: Wednesday, April 04, 2007 9:34 PM
> To: 'TAPR APRS Mailing List'
> Subject: RE: [aprssig] Deviation meters
> Scott,
> Back in the Dark Ages, about 15 years ago or so, TAPR 
> produced a very nice
> deviation meter kit.  It plugged into a VHF-UHF scanner which 
> RS was making
> at the time, but could be made to work with other radios with 
> possibly some
> changes in the programming.  I still have mine, and it is absolutely
> necessary for setting deviation at 9600 baud.  It could 
> probably be done
> even simpler with today's generation of chips.
> Alan
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