[arm-allstar] Anyone running RTCM?

Tim Sawyer tisawyer at gmail.com
Thu Sep 10 17:35:46 EST 2015


If you want to hear a voted system connect to 2531 and call me, WD6AWP.

On Thu, Sep 10, 2015 at 1:41 PM, Chris Zenchenko <wb9rsq at gmail.com> wrote:

> I’d love to hear of some nodes running the voting. I have no interest in
> multiple transmit sites but the voting could really make a difference.
>
> I’ve never heard a good analog controller based one yet.
>
> Nobody takes enough care to balance the audio and match the receiving and
> transmitting equipment.
>
> Even slight differences in models or levels makes voting sound poor to me.
>
> If you have a channel with a longer path you get noise and you can usually
> tell when a system votes to that channel.
>
> Maybe the RTCM makes voting possible.
>
> I’d want to listen for days and even weeks before I plunked down dollars.
>
>
>
> *From:* arm-allstar-bounces at hamvoip.org [mailto:
> arm-allstar-bounces at hamvoip.org] *On Behalf Of *Sam Skolfield
> *Sent:* Thursday, September 10, 2015 3:32 PM
> *To:* ARM Allstar <arm-allstar at hamvoip.org>
> *Subject:* Re: [arm-allstar] Anyone running RTCM?
>
>
>
> It works, but not perfectly. If you have minimal overlap, it's acceptable,
> but once your coverage starts to overlap, it gets hairy. Typical of any
> simulcast system to a certain extent, but perhaps a little worse than
> others.
>
> There is a high-level system that used to simulcast from two big mountain
> tops using RTCMs (BIG overlap) and it was  really rough whenever you were
> in earshot of both transmitters.
>
>
>
> I will say that the voting using RTCMS is absolutely fantastic. I have had
> amazing results.
>
>
>
> On Thu, Sep 10, 2015 at 4:24 AM, Steve Wright <stevewrightnz at gmail.com>
> wrote:
>
> I just read that the RTCM simulcast multi-transmitter system actually
> DOESNT work.
>
> Can anyone shed light?
>
>
> S
>
>
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>
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>
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>
>
>
>
>
> --
>
> KJ6QFS
> Sam Skolfield
>
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>
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>
> Visit the BBB and RPi2 web page - http://hamvoip.org
>



-- 
--
Tim
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