[arm-allstar] RTCM txctcss values between Acid and Rpi2-V1

David McGough kb4fxc at inttek.net
Sun Feb 14 10:54:37 EST 2016


Now that I proof-read my response, that path should be: 
channels/xpmr/xpmr.c  ....Oops, typo!


On Sun, 14 Feb 2016, R Dahl wrote:

> Thanks Dave, that does fit the time frame and circumstances.
> Ross
> 
> 
> > Hi Ross,
> >
> > How old is your ACID install?  The reason I ask is that there was a bug
> > fix in the channels/xprm/xprm.c file that was committed to the AllStar SVN
> > server back in January, 2015.  This bug fix greatly improved the receive
> > audio S/N ratio, but, as a side effect, it altered the audio level
> > adjustment somewhat.  This change only impacted the chan_voter and
> > chan_usbradio---not chan_simpleusb.
> >
> > The RPi2 V1.0 release does run exactly the same code as was found in the
> > AllStar SVN, as of the V1.0 release date (which was April 10, 2015).
> >
> >
> > 73, David KB4FXC
> >
> >
> > On Sat, 13 Feb 2016, R Dahl wrote:
> >
> > > I bench tuned a repeater and RTCM (pl 103.5 at 300Hz) using Acid and then
> > > installed it on a mountain top where all went well.  I have since started
> > > using Rpi2 V1 as the remote server while retaining the txctcss values
> > from
> > > Acid's voter.conf
> > > I am now having sporadic intermod issues to the rptr rx which are only
> > > present when the RTCM is tx'ing pl audio. The fix has been to reduce the
> > > txctcss value from 40 to 10 which is still working ok to  open pl
> > squelches.
> > > I would not have to ask this but my service monitor is too deaf to
> > measure
> > > the rptr ctcss level from 30 miles.  Should the same setting in
> > voter.conf
> > > result in the same pl level in both Acid and Rpi V1 when talking to a
> > RTCM?
> > > tnx de Ross ve6ars
> > >
> >
> >
> >
> >
> >
> 



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