[Ips-whfpr] IPS Weekly Prop. Report (06 December 00)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 06/0200Z DECEMBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (29 NOVEMBER - 05 DECEMBER)
Date   T index   Conditions        
29 Nov  106      Poor-fair         
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed by 20-30%.
   Antarctic Region (Casey/Scott Base):
      Absorption observed.


30 Nov   98      Fair              
MUFS:
   Equatorial PNG Region and Northern Region:
      Near predicted monthly values, to 15% depressed,
   Southern Australian and New Zealand Region:
      Depressed by 15-30% during local day,
      Near predicted monthly values during local night.
      Spread F local night hours.
   Antarctic Region (Casey/Scott Base):
      15% depressed. Absorption observed early in UT day.


01 Dec  140      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      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.


02 Dec  166      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.
      Spread F observed.


03 Dec  156      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      becoming depressed 15-20% after local dawn at
      some sites.
   Antarctic Region (Casey/Scott Base):
      15% depressed to near predicted monthly values,
      Occasional absorption observed.


04 Dec  132      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed 15-20% at Norfolk Island and Christchurch.
      Mostly near predicted monthly values at other sites,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F and occassional absorption observed.


05 Dec  134      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed 15-20% early in UT day then Mostly near i
      predicted monthly values
   Antarctic Region (Casey/Scott Base):
      Mildly depressed to Near predicted monthly values.


Predicted Monthly T index for December: 130
2. FORECAST (06 DECEMBER - 12 DECEMBER) 
MUFS: depressions of 15-20% possible southern Aus/NZ region
during interval 8-10 Dec, then near to above normal
Propagation conditions: Fair 08-10 Dec, otherwise good. 
			SWFs possible later in week.
T index:  100 8-10 Dec  (soouthern region only)
          140-150 11-12 Dec

3. OUTLOOK (13 DECEMBER - 12 JANUARY)
Degraded HF propagation conditions possible:
23-25 Dec

PEASE NOTE:
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.

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