[aprssig] Re: Unreasonable xmission delay
Richard Montgomery
kb4ytm at gmail.com
Fri Jul 14 23:02:07 EDT 2006
Hey Bruce,
Considering he (K4COE) is beaconing every 30 seconds, in 5 minutes time
he has sent an additional 10 packets. That would be really strange for a
digi to hold that particular packet for 5 minutes, when he has sent that
many more.
Looks like W4GPS-7 is a UIDigi firmware digi with a WX station
connected. Possibly a problem with a tnc2 doing both? Too much data from
K4COE?
Let me know if you need any logs or anything from down this way.
Richard
KB4YTM
Bruce W. Martin, KQ4TV wrote:
> I received the following information today.
> NT4UX-2 is a UIdigi v1.93 using N8DEU's reccomended settings.
> KQ4TV-1 is a javAPRSSrvr 3.11b03 Igate.
>
> Can anyone shed light on what can be done to eliminate 5 minutes of
> delay for 100 miles of 3 hops.
>
> Bruce, KQ4TV
>
>
> On Jul 14, 2006, at 1:57 PM, Case, Coe wrote:
>
>> Bruce:
>>
>> Please evaluate the following raw data from FINDU.
>>
>> 20060714122325,K4COE>S4TS1V,WIDE1-1,WIDE2-1,qAo,N8DEU-4:`rAf!hW>/]"3r}
>> 20060714122427,K4COE>S4TR9X,WIDE1-1,WIDE2-1,qAo,N8DEU-4:`rB\nsF>/]"3r}CERT,SkyWarn,RACES,ARES
>>
>> ....
>> 20060714122815,K4COE>S4TS1V,W4GPS-7,WIDE1,NT4UX-2,WIDE2*,qAR,KQ4TV-1:`rAf!hW>/]"3r}
>>
>> 20060714122941,K4COE>S4TR9X,W4GPS-7,WIDE1,NT4UX-2,WIDE2*,qAR,KQ4TV-1:`rB\nsF>/]"3r}CERT,SkyWarn,RACES,ARES
>>
>> It appears there is a 5 minute delay in nt4ux-2 and kq4tv-1
>> retransmission and igate posting to the internet. It is causing FINDU
>> to overwrite current data with data and locations that are 5 minutes
>> old. Two hops should be a worst case 20 sec delay, not 5 minutes.
>>
>> If you are working/Tracking vehicle to vehicle (not via the internet),
>> then getting to the first i-gate means nothing, you still need to
>> wideN to get to the other vehicle's mobile APRS. Besides, as you can
>> see from my track displays over the last 3 weeks, I travel through
>> area's that even three hops do not get to any digi/igate. (Colorado,
>> South Carolina, Louisianna as endpoints)
>>
>> Thanks,
>>
>> K4coe
>
>
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