[arm-allstar] Question about timing/responsiveness

[Chuck Kelsey]

Darn... Forgot to add that he is running a second node on the same 
Raspberry Pi. Wondering if this may be slowing it down.

Chuck
WB2EDV




On 3/5/2016 1:23 PM, Chuck Kelsey via arm-allstar wrote:
> I'll try to shed more light.
>
> The original setup was using a desktop configured with Zipar. Same 
> link radio for both configurations, so nothing there is different. It 
> worked fine with that setup. The only change was going to a Raspberry Pi2.
>
> The repeater is on a hardware-based controller (no Internet 
> available). When a user brings it up, the repeater transmits PL the 
> entire time the user is there. When the user unkeys, the PL stops 
> encoding, but the repeater's hang timer keeps it transmitting for the 
> predetermined length. During the hang time there is the courtesy tone 
> and possibly ID (without tone).
>
> Using the Raspberry Pi, I can sometimes hear a brief burst of the 
> beginning of the repeater's courtesy tone. With the desktop 
> configuration that did not happen. Again, using the Raspberry Pi it 
> also sometimes "hangs" the AllStar side for a second or two. So 
> there's two things happening with this part of the issue.
>
> Hope this helps.
>
> Chuck
> WB2EDV
>
>
>
>
>
> On 3/5/2016 1:08 PM, Doug Crompton via arm-allstar wrote:
>> Chuck,
>>
>>  To start with the drop outs. This is more than likely an Internet 
>> problem and that would be the first place to start looking. Not 
>> knowing anything more about his system like what the Internet 
>> connection is, etc. It would be hard to suggest anything.
>>
>> The other problem may or may not be related to a poor connection. 
>> When the PL input to the repeater  drops it should immediately drop 
>> the COS signal. The first place to check would be to make sure this 
>> is happening. If there is some kind of delay in the repeater and COS 
>> is staying true then it would have nothing to do with Allstar. When I 
>> say "true" that could be a high or low depending on the 
>> configuration. Put a meter on COS and key into the repeater and see 
>> how it follows.
>>
>> Again not knowing his configuration it is hard to know what is 
>> actually happening. Is another controller in the loop? The best and 
>> simplest way to use Allstar as a repeater controller is to do it 
>> exclusively. The input PL drives COS and the PTT output drives TX PTT 
>> and TX PL. All the timing, ID's etc. are done in Allstar.
>>
>> *73 Doug
>> WA3DSP
>> http://www.crompton.com/hamradio*
>>
>>
>> > To: arm-allstar at hamvoip.org
>> > Date: Sat, 5 Mar 2016 12:40:13 -0500
>> > Subject: [arm-allstar] Question about timing/responsiveness
>> > From: arm-allstar at hamvoip.org
>> > CC: wb2edv at roadrunner.com
>> >
>> > I'm new to this list, but didn't see this question addressed in the
>> > archives.
>> >
>> > When using a Raspberry Pi2, as a link connection to a repeater, here's
>> > what happens:
>> >
>> > The repeater transmits PL only during an active transmission (no tone
>> > after user unkeys). However, there seems to be a slow response time 
>> for
>> > the Raspberry to cease sending the transmission over AllStar when the
>> > user drops key. It is causing the node at "the other end" to continue
>> > transmitting as if there was a hang time.
>> >
>> > Also, when a user comes through from the AllStar network, there are
>> > audio dropouts some of the time.
>> >
>> > This setup is not mine, I'm asking for a friend that owns it.
>> >
>> > Chuck
>> > WB2EDV
>> > _______________________________________________
>> >
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>> >
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>> >
>>
>>
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>>
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>
>
>
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