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Article #64Internet Sun outages Sep/Oct
From: John Houlker
Date: Tue, 01 Sep 1992 21:53
Date: Tue, 01 Sep 1992 21:53
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NZ Telecom have advised that we may experience some minor outages
and/or degraded performance on our PACCOM circuit to The Internet,
during the September/October 1992 bi-annual Solar interference periods.
This is when the Sun angle is such that it overloads either the Earth
Station receiver in New Zealand (at Warkworth) or in The USA (at Vallejo,
San Francisco). Each interference period occurs over 5-6 days; last time
we found the worst degradation cut our circuit completely for
about 5 minutes on the three days at the peak of each cycle.
The worst case timings we have been given are:
Earth Station Start of interference Duration (mins)
Warkworth Saturday, 5 Sep 1992 12:20 +1200 5
Sunday, 6 Sep 1992 12:18 +1200 8
Monday, 7 Sep 1992 12:18 +1200 8
Tuesday, 8 Sep 1992 12:18 +1200 7
Wednesday, 9 Sep 1992 12:18 +1200 6
Vallejo Sunday, 4 Oct 1992 13:37 +1300 3
San Francisco Monday, 5 Oct 1992 13:35 +1300 7
Tuesday, 6 Oct 1992 13:34 +1300 8
Wednesday, 7 Oct 1992 13:34 +1300 8
Thursday, 8 Oct 1992 13:34 +1300 7
Friday, 9 Oct 1992 13:36 +1300 1
N.B. NZ Daylight Savings begins 4 Oct.
John
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Path: arc1-ca.pugleaf.net!sparky!uunet!comp.vuw.ac.nz!waikato.ac.nz!john From: john@waikato.ac.nz (John Houlker) Newsgroups: nz.netstatus Subject: Internet Sun outages Sep/Oct Message-ID: <1992Sep2.095318.10516@waikato.ac.nz> Date: 2 Sep 92 09:53:18 +1200 Organization: University of Waikato, Hamilton, New Zealand Lines: 29