[Ips-dhfpr] IPS Daily HF Prop Report - 13 January 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 13/2330Z JANUARY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 JANUARY) 
Date   T index  Conditions    
13 Jan    42    Normal         

Flares: none.

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


PCA Event : No event.

Predicted Monthly T index for January:  56
2. FORECAST (14 JANUARY - 16 JANUARY)
Date   T index  Conditions       MUFs                              
14 Jan    55    Normal           near predicted monthly values 
15 Jan    55    Normal           Near predicted monthly values     
16 Jan    35    Normal-Fair      near predicted monthly values/depressed 
                                 10 to 15%    
COMMENT: IPS HF Communications Warning 4 was issued on 13 January 
and is current for interval 17-18 January. Mildly depressed (10-15%) 
conditions persisted longer than expected yesterday. Generally 
good HF conditions expected today. Some southern Aus/NZ region 
sites may again experience brief post dawn depressions of 10-15%. 
Isolated fadeouts possible. MUFs are expected to remain mostly 
near normal until late 16 Jan, afterwhich becoming midly to moderately 
depressed (southern region Aus/NZ only) due to to anticipated 
coronal hole wind stream induced activity. 

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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