[Ips-dhfpr] IPS Daily HF Prop Report - 16 March 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z MARCH 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 MARCH) 
Date   T index  Conditions    
16 Mar    79    Fair-normal    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


PCA Event : No event.

Predicted Monthly T index for March:  82
2. FORECAST (17 MARCH - 19 MARCH)
Date   T index  Conditions       MUFs                              
17 Mar    70    Fair-Normal      depressed 10 to 15%/near predicted 
                                 monthly values 
18 Mar    90    Normal           near predicted monthly values     
19 Mar    80    Normal-Fair      near predicted monthly values/depressed 
                                 10 to 15%    
COMMENT: IPS HF Communications Warning 20 was issued on 16 March 
and is current for interval 17 March only. Coronal hole induced 
geomagnetic activity again observed overnight. Mild depressions 
observed after local dawn for southern region Australia. Northern 
region MUFs are not expected to be affected, and communicators 
in northern Aus region should use a T index of 120. A further 
degradation in conditions is expected 19-20 Mar. 

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