[Ips-dhfpr] IPS Daily HF Prop Report - 01 April 01

rwc rwc at ips.gov.au
Mon Apr 2 09:35:04 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 01/2330Z APRIL 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 APRIL) 
Date   T index  Conditions    
01 Apr    89    Poor-fair      

Flares    Max     Fadeout    Freq.  Sectors
 M5/--    1055UT  possible   lower  European
 M4/--    1943UT  possible   lower  East Pacific/
                                    North American
 M1/--    2259UT  possible   lower  West Pacific

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 35% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 40% during local day,
      Depressed by 20% during local night.
      Spread F observed.
   Antarctic Region (Casey/Scott Base):
      Depressed by 25% over the UT day.
      Absorption and spread F observed.


Predicted Monthly T index for April: 113
2. FORECAST (02 APRIL - 04 APRIL)
Date   T index  Conditions       MUFs                              
02 Apr   130    Normal-Fair      near predicted monthly values 
03 Apr   140    Normal           near predicted monthly values     
04 Apr   140    Normal           near predicted monthly values    
COMMENT: IPS HF Communications Warning 16 was issued on 31 March 
and is current for interval 1-2 April. Very depressed conditions 
observed over past 24 Hours in Australian region south of Brisbane. 
Northern Australian region MUFs remained near normal. Mildly 
degraded HF conditions may be experienced during local night 
hours, southern Australian region. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 




More information about the ips-dhfpr mailing list