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RE: Re: [amsat-bb] ISS silence

 The crew had been docking and updocking  TM31 to change ports - so I would
think they would turn off all RF com links  - I have a PacComm and have
been trying for the last 3 days to "over load" it  - C to NOCALL - digi at the same
time ETC - so far its still-a-running


From: 	Margaret Leber
Sent: 	Wednesday, April 18, 2001 5:01 AM
To: 	Francisco P Costa
Cc: 	amsat-bb@AMSAT.Org; sarex@AMSAT.Org
Subject: 	[sarex] Re: [amsat-bb] ISS silence

Francisco P Costa wrote:

> Sorry the late info, but only today morning (18/April, 0800z)
> I had oportunity to check yesterday ISS packet log.
> And the reason why I'm posting the info, is because it
> might be relevant to explain ISS packet "silence".
> At 1523z all was normal, but wasn't at 1658z.
> Check the last ISS frames over EU:....

>> Aparently ISS tnc was experiencing some trouble...
> I hope it can be fixed fast. Good luck.

So, let's sum this up.

The last packet that was igated to ariss.net was from IT9GSV, I'm 
calculating now that would have been somewhere around 15:30 UTC on the 
17th. The one we see here is stamped 15:24:31.

By the timestamps on this data, we also see UIs from F9TL, F6HDW and
DB3WH (who hit it twice with blank packets 24 sec apart).

We also see S57NML,F1EUS and DG0LEO, all trying to CONNECT to the TNC, 
while it's trying to get rid of connections to F1FB and F1AFZ. F1AZY 
already has a connection digied to F9XG.

How nice.

Then there's a twenty minute gap in the data, and afterwards the TNC is 
now sending UIs to CQ four times a second.

Francisco, could you tell us what kind of data was in the gap, and how 
much error there might be in your timestamps? I'm assuming they're UTC.

"Experiencing some trouble..." yeah, I'll say it was. I wonder how many 
of these EU users are using the SV1AGW packet soundcard stuff for 
Windows and just couldn't figure out how to send a <UI>?


73 de Maggie K3XS, who's frustrated with the clueless.
-----/___.   _)   Margaret Stephanie Leber    / "The art of progress  /
----/(, /|  /| http://voicenet.com/~maggie   / consists of preserving/
---/   / | / |  _   _   _    `  _AOPA 925383/ order amid change and /
--/ ) /  |/  |_(_(_(_/_(_/__(__(/_  FN20hd / change amid order."   /
-/ (_/   '  K3XS  .-/ .-/    ARRL 39280   /___ --A.N.Whitehead ___/
/____ICQ 7161096_(_/_(_/__AMSAT 32844____/ <maggie@voicenet.com>

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