[Ips-dhfpr] IPS Daily HF Prop Report - 31 July 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 31/2330Z JULY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (31 JULY) 
Date   T index  Conditions    
31 Jul   119    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Depressed 15% to near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Absorption and spread observed.


Predicted Monthly T index for July: 115
2. FORECAST (01 AUGUST - 03 AUGUST)
Date   T index  Conditions       MUFs                              
01 Aug    95    Normal-Fair      depressed 10 to 15%/near predicted 
                                 monthly values 
02 Aug   115    Normal           Near predicted monthly values     
03 Aug   115    Normal           Near predicted monthly values    
COMMENT: Mildly degraded HF conditions may be experienced during 
local night hours for southern Aus/NZ region. Some southern regional 
sites have become depressed after local dawn this morning, particularly 
Chrsitchurch, with depression of up to 30%. Northern regional 
MUFs have remained normal. 

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/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060