[Ips-dhfpr] IPS Daily HF Prop Report - 09 November 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 09/2330Z NOVEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 NOVEMBER) 
Date   T index  Conditions    
09 Nov    72    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values first half UT day.
      Blanketing sporadic E observed at Macquarie Island.
      Depressed 15% late in UT day.



PCA Event : No event.

Predicted Monthly T index for November:  52
2. FORECAST (10 NOVEMBER - 12 NOVEMBER)
Date   T index  Conditions       MUFs                              
10 Nov    60    Normal           near predicted (Northern Aus)
10 Nov    20    Fair             depressed 10 to 20% (Southern Aus/NZ)
11 Nov    25/60 Fair/normal      depressed 10 to 20%/near predicted 
                                 monthly values     
12 Nov    25/60 Fair/normal      depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 85 was issued on 9 November 
and is current for interval 10-11 November. Depressed MUFs observed 
since local dawn this morning for southern Aus/NZ region. Northern 
Aus region (north of Townsville) MUFS mostly near normal or only 
mildly depressed. Depression associated with geomagnetic activity 
induced by coronal hole high speed wind stream. Extended interval of 
lower than normal MUFs for southern Aus/NZ region probable over 
next few days. 

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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