[Ips-dhfpr] IPS Daily HF Prop Report - 11 October 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z OCTOBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 OCTOBER) 
Date   T index  Conditions    
11 Oct   145    Normal-fair    

Flares: none.

MUFs:
Observed Australian Regional MUFs
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
      Depressed 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 55% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 40% over the 00-18UT,
      Depressed 30% 18-23UT.
      Occasional absorption observed.


Predicted Monthly T index for October: 106
2. FORECAST (12 OCTOBER - 14 OCTOBER)
Date   T index  Conditions       MUFs                              
12 Oct   100    Fair-Normal      depressed 10 to 15%/near predicted 
                                 monthly values 
13 Oct   120    Normal           near predicted monthly values     
14 Oct   140    Normal           about 15% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 56 was issued on 11 October 
and is current for interval 12 October only. Depressed and degraded 
conditions expected briefly after dawn this morning then improving 
due to earlier than expected arrival of mass ejection overnight. 

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