[Ips-dhfpr] IPS Daily HF Prop Report - 23 April 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z APRIL 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 APRIL) 
Date   T index  Conditions    
23 Apr    79    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 M1/--    1150UT  possible   lower  European

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night
      and after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly enhanced with isolated localised
      disturbances. 


PCA Event : No event.

Predicted Monthly T index for April:  45
2. FORECAST (24 APRIL - 26 APRIL)
Date   T index  Conditions       MUFs                              
24 Apr    75    Normal           10 to 20% above predicted monthly 
                                 values 
25 Apr    70    Normal           10 to 20% above predicted monthly 
                                 values     
26 Apr    70    Normal           10 to 20% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 22 was issued on 21 April 
and is current for interval 23-24 April. Generally good HF conditions 
expected for the next 24 hours. Isolated disturbances possible 
for the next two to three days at high latitudes, in association 
with geomagnetic activity resulting from a mildly elevated solar 
wind stream. 

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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