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

R Dahl ve6ars at gmail.com
Sun Feb 14 10:40:40 EST 2016


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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