[aprssig] Delayed traffic ?
Robert Bruninga
bruninga at usna.edu
Tue Jan 15 15:34:43 EST 2008
One of the reassons why I don't like terrestrial digipeating of
ISS packets. All it takes is a weak squelch somewhere, and
packets become non-real-time very quickly. Hours old, if a
noise source appears near a digi... Bob, WB4APR
> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org
> [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of Andrew
Rich
> Sent: Tuesday, January 15, 2008 3:24 PM
> To: Aprssig
> Cc: ozaprs
> Subject: [aprssig] Delayed traffic ?
>
> This is the first time I have seen this, the other day i was
> looking at logs of ISS.
>
> I had 3 independant tracking systems telling me that ISS was
> over water out in an ocean no where near me.
>
> And yet i saw some data logged from the IS that was out of
sink.
>
> So I thought it may be a station doing a replay but there was
> more than one station involved.
>
> ISS went down below the horizon at 19:14 local, and then
> while I was getting ready for the next pass, I noticed this
> "extra" data came in from the APRS IS.
>
> The data in this log, comes from a perl script that writes
> live to a file.
>
> I know the ISS times are correct, because I heard the
> satellite. ie the sat times are correct.
>
>
> 14/01/2008 20:46:05
> VK4TEC-6>BEACON,RS0ISS-4*,WIDE,qAo,VK3JTM-5:T#268,001,001,015,
011,147,11111111,1111,0
> 14/01/2008 20:45:55
> VK4TEC-6>BEACON,RS0ISS-4*,WIDE,qAO,VK4TEC:T#267,001,001,016,01
2,124,11111111,1111,0
> 14/01/2008 20:45:53 RS0ISS-4>CQ,SGATE,qAO,VK4TEC:Welcome to
> RS0ISS's message board
> 14/01/2008 20:45:51 RS0ISS-11>VK2MAL,qAO,VK4TEC: <>:
> 14/01/2008 20:45:39 RS0ISS-11>VK2MAL,qAO,VK4TEC: <>:
> 14/01/2008 20:45:24
> VK4TEC-6>BEACON,RS0ISS-4*,WIDE,qAo,VK3JTM-5:=2734.44S/15306.20
> E`ISS Ground station
> 14/01/2008 20:45:15
> VK4TEC-6>BEACON,RS0ISS-4*,WIDE,qAo,VK3JTM-5:T#263,001,001,015,
010,125,11111111,1111,0
>
> 14/01/2008 20:40:25 ------------------------- VK4TEC:
> Satellite ISS up at this time
>
> 14/01/2008 20:06:06
> VK4TEC-6>BEACON,RS0ISS-4,ZL3GR*,qAr,ZL1AMW-14:T#721,001,000,01
5,011,099,11111111,1111,0
> 14/01/2008 20:05:12
> VK4TEC-6>BEACON,RS0ISS-4,ZL3GR*,qAr,ZL1AMW-14:T#714,001,001,01
5,012,165,11111111,1111,0
> 14/01/2008 20:04:26
> VK4TEC-6>BEACON,RS0ISS-4,ZL3GR*,qAr,ZL1AMW-14:T#709,000,001,01
5,011,144,11111111,1111,0
> 14/01/2008 20:04:19
> VK4TEC-6>BEACON,RS0ISS-4,ZL3GR*,qAr,ZL1AMW-14:T#708,001,000,01
5,011,122,11111111,1111,0
> 14/01/2008 20:03:52
> VK4TEC-6>BEACON,RS0ISS-4*,WIDE,qAo,VK3JTM-5:T#705,001,001,014,
010,126,11111111,1111,0
> 14/01/2008 20:02:13
> VK4TEC-6>BEACON,RS0ISS-4,ZL3GR*,qAr,ZL1AMW-14:T#699,001,000,01
5,012,132,11111111,1111,0
>
> 14/01/2008 19:14:58 ------------------------- VK4TEC:
> Satellite ISS down at this time
>
>
>
>
> --------------------------------------------------------------
> --------------
> Andrew Rich VK4TEC
> vk4tec at people.net.au
> http://www.tech-software.net <http://www.tech-software.net/>
>
>
>
>
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