[Ips-whfpr] IPS Weekly Prop. Report (04 February 09)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 04/0200Z FEBRUARY 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (28 JANUARY - 03 FEBRUARY)
Date   T index   Conditions        
28 Jan  -15      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

29 Jan  -11      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

30 Jan  -24      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 10% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values over the UT day.

31 Jan  -13      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values, some minor
      depressions, particularly during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values, some minor
      depressions, particularly during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day 
      with some periods of slight depressions.

01 Feb  -22      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
      Depressed by 40% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

02 Feb  -25      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Depressed to 40% 00-13 UT then near predicted monthly
      values at Niue; sporadic E 10-17 UT. No data for Vanimo.
   Northern Australian Region:
      Depressions to 50% at Darwin. Depressions to 50% at
      Townsville 00-17 UT. Depressions to 40% 11-23 UT at
      Cocos Is. Sporadic E mostly evening and night.
   Southern Australian and New Zealand Region:
      Depressions to 35% 00-18 UT Brisbane and Norfolk Is.
      At other stations, depressions to 30% 07-15 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 40%
      12-19 UT.

03 Feb  -19      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Niue frequencies were depressed to 30% 04-06 and 10-17
      UT. No data for Vanimo.
   Northern Australian Region:
      Depressions to 35% until around 18 UT, then near
      predicted at Cocos Is. and Townsville. Frequencies
      depressed to 40% at Darwin.
   Southern Australian and New Zealand Region:
      Lower latitude stations depressed to 30% 00-07 and
      11-18 UT. Higher latitude stations depressed to 30%
      08-15 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Depressions to 30% at
      Casey 15-17 UT.

Predicted Monthly T index for February:   6

2. FORECAST (04 FEBRUARY - 10 FEBRUARY) 
MUFS: Near predicted monthly values to 30% depressed. Depressions
may be greater at lower latitudes.
Propagation conditions: Normal to fair. No SWFs
T index: -15

COMMENT: IPS HF Communications Warning 1 was issued on 2 February
and is current for the interval  3-5 February. 

3. OUTLOOK (11 FEBRUARY - 13 MARCH)
Degraded HF propagation conditions possible:
Unless solar activity increases, frequencies are expected to remain
mostly near predicted monthly values to depressed.

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.


IPS Radio and Space Services        email: asfc at ips.gov.au
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of IPS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
Occasionally IPS sends email promoting IPS products and 
services to its mailing list customers. If you do not wish to 
receive this promotional material please email 
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"