[Ips-dhfpr] IPS Daily HF Prop Report - 12 July 08

rwc rwc at ips.gov.au
Sun Jul 13 09:54:30 EST 2008


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z JULY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 JULY) 
Date   T index  Conditions    
12 Jul     4    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Depressed by 25% during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 80% over the UT day.

PCA Event : No event.

Predicted Monthly T index for July:   4
2. FORECAST (13 JULY - 15 JULY)
Date   T index  Conditions       MUFs                              
13 Jul    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values 
14 Jul    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
15 Jul     0    Normal           Near predicted monthly values    
COMMENT: Mostly normal HF conditions observed during the last 
24 hours for all regions. Northern AUS/Equatorial and Southern 
AUS/NZ regions had enhanced conditions during local night, with 
Northern AUS regions having depressed conditions during local 
day. Disturbed conditions with enhanced periods for Antarctic 
regions. MUF depressions of 10%-20% possible for Northern AUS, 
Southern AUS/NZ regions for 13Jul-14Jul and coninued disturbed 
ionospheric conditions for Antarctic regions. Mostly normal
conditions for all regions expected 15 Jul. 
----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

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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