[Ips-dhfpr] IPS Daily HF Prop Report - 30 October 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 30/2330Z OCTOBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 OCTOBER) 
Date   T index  Conditions    
30 Oct   -16    Poor           

Flares: none.

MUFs:
   Equatorial PNG Region:
      Depressed by 35% during local day,
      Depressed by 50% during local night.
   Northern Australian Region:
      Depressed by 55% during local day,
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 35% during local day,
      Near predicted monthly values during local night.
      Depressed by 35% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.


PCA Event : 10Mev Proton/PCA Event Began 28 10 2003 1215UT and is in progress

Predicted Monthly T index for October:  55
2. FORECAST (31 OCTOBER - 02 NOVEMBER)
Date   T index  Conditions       MUFs                              
31 Oct    10    Poor             depressed 25 to 40% 
01 Nov    40    Fair-normal      depressed 10 to 20%
02 Nov    50    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 81 was issued on 30 October 
and is current for interval 30 October to 1 November. HF conditions 
in Aus/NZ region expected to show strong depressions and degradations 
on 31 October (UT day). 

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 

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