From: richardm@runx.oz.au (Richard Murnane)
Subject: Re: VK2WI Weekly News, 3rd January 1993
Organization: RUNX Un*x Timeshare.  Sydney, Australia.
Date: Sun, 3 Jan 93 05:14:44 GMT

                           IPS WEEKLY REPORT

[The earlier version of the IPS report contained several errors
(my fault in summarising it myself from the daily reports, as the
weekly summary had not arrrived when I compiled the broadcast).
Here is the corrected version, the summary which arrived at Dural
at the last minute, and went to air this morning. - VK2SKY]

                       25 December - 31 December

Issue No 53
Date of Issue: 2 January 1992

Date          25     26     27     28     29     30     31
10 cm flux   136    131    125    127    125    126    130
A index       04     03     06     35     28     08    (10 estimated)
T index      100    136    146    122     44    111     76

                          Summary of Activity

Solar activity from Dec 25th to 31st has been very low most days,
rising to low on December 28th and 30th.  On the 31st, it rose to
moderate with an M2/SN flare at 0222 UTC, with a shortwave fadeout
from 0217 UTC to 0300 UTC.

The geomagnetic field monitored this week at Learmonth WA was quiet
to unsettled on Dec 25th, 30th, and 31st, and likewise on the 27th
until 2000 UTC when minor storm levels developed.  It was quiet on
the 26th and quiet to active on the 28th and 29th.

Ionospheric F2 critical frequencies stayed normal, except for enhanced
periods in the range 15-40% at 1300 UTC on the 25th, which continued
until the 29th.  There was Sporadic E at 0300 UTC on the 26th, and a
further period of enhancement from 0000 UTC to 1700 UTC on the 30th,
after which it returned to normal.

Degraded HF communications may have been experienced during December 28th
and 29th due to geomagnetic activity.  Further degradations (to a
lesser extent) may have been experienced at times during December 30th
and 31st.  The region that produced the M2 flare was still growing as
it rotated around the west limb of the Sun, and is due back on January
12th and 13th.

               Forecast for the next week (1 - 7 January)

Solar:         Low

Geomagnetic:   Active levels expected at times during 3rd to 5th January
               due to a coronal hole.  Quiet to unsettled conditions
               are expected on other days.

Ionospheric:   Degraded HF communications are expected on the 4th and
               5th January, in association with expected geomagnetic
               activity.  Good conditions are expected on other days
               with enhanced conditions expected.

   -- Courtesy IPS Radio and Space Services


[VHF note from Tim VK2ZTM: Tropospheric ducting has brought some DX
into the 2 metre repeater networks recently.  There have been interstate
and ZL contacts. It is also most likely spreading the pager intermods
to regions which are normally free of them.]


-- 
Richard P. Murnane                     "Making it up? Making it up? Why should
Internet: richardm@runx.oz.au          I want to make anything up? Life's bad
UUCP:     uunet!runx.oz.au!richardm    enough without inventing more of it."
Packet:   VK2SKY @ VK2RWI.NSW.AUS.OC   - Marvin the Paranoid Android
Newsgroups: rec.radio.amateur.misc