[Ips-dhfpr] IPS Daily HF Prop Report - 17 November 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z NOVEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 NOVEMBER) 
Date   T index  Conditions    
17 Nov    50    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 M1/--    0134UT  possible   lower  E. Asia/Aust.
 M4/1N    0905UT  possible   lower  Mid East/Indian

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


PCA Event : No event.

Predicted Monthly T index for November:  52
2. FORECAST (18 NOVEMBER - 20 NOVEMBER)
Date   T index  Conditions       MUFs                              
18 Nov    55    Normal-Fair      near predicted monthly values 
19 Nov    65    Normal           near predicted monthly values     
20 Nov    40    Normal           about 10% below predicted monthly 
                                 values    
COMMENT: Generally improving HF conditions observed at all latitudes 
as geomagnetic disturbance due to coronal hole wind stream subsides. 
Expect continuing periods of disturbance at high latitudes today. 

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

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