[Ips-dhfpr] IPS Daily HF Prop Report - 20 October 02

rwc rwc at ips.gov.au
Mon Oct 21 09:13:55 EST 2002


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z OCTOBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 OCTOBER) 
Date   T index  Conditions    
20 Oct   115    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
  M1.9    0045UT  possible   lower  West Pacific
  M1.5    0342UT  possible   lower  E. Asia/Aust.
  M1.2    0515UT  possible   lower  E. Asia/Aust.
  M1.9    1429UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Enhanced by 15-35%.
   Northern Australian Region:
      Enhanced by 20-30%.
   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 October:  94
2. FORECAST (21 OCTOBER - 23 OCTOBER)
Date   T index  Conditions       MUFs                              
21 Oct   130    Normal           10 to 15% above predicted monthly 
                                 values 
22 Oct   130    Normal           10 to 15% above predicted monthly 
                                 values     
23 Oct   130    Normal-Fair      10 to 15% above predicted monthly 
                                 values    
COMMENT: Mild depression observed after local dawn yesterday 
at some southern Aus sites. In particular MUFs were depressed 
30% at Mundaring (W.A.) local day yesterday. Enhanced MUFs expected 
for today. 

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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