[Ips-dhfpr] IPS Daily HF Prop Report - 06 November 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 06/2330Z NOVEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 NOVEMBER) 
Date   T index  Conditions    
06 Nov    90    Poor

Flares    Max     Fadeout    Freq.  Sectors
  M2.2    0300UT  possible   lower  E. Asia/Aust.
  M1.3    0625UT  possible   lower  Mid East/Indian
  M1.2    1352UT  possible   lower  European
  M1.1    1543UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG/Northern Aus. Region:
      Depressed 30-40% 02-06UT.
      Depressed by 15% during local night.
      Recovering after local dawn.
   Southern Australian and New Zealand Region:
      Depressed 30-40% 02-06UT.
      Depressed by 40% during local night.
      Depressed 15% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Absorption observed.


Predicted Monthly T index for November: 109
2. FORECAST (07 NOVEMBER - 09 NOVEMBER)
Date   T index  Conditions       MUFs                              
07 Nov   120    Poor-Fair        15% depressed to near normal 
                                 northern region. Depressed 15-30% 
                                 southern region. 
08 Nov   150    Normal           Near predicted monthly values     
09 Nov   165    Normal           10 to 15% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 71 was issued on 5 November 
and is current for interval 6-8 November (SWFs) . Highly variable 
MUFs and layer heights observed over past 24 hours in the Aus/NZ 
region. Most sites 30-40% depressed 02-06UT. Some sites then 
returned to near normal. Other sites depressed 40-50%, particularly 
southern region. Variable conditions expected again today with 
southern region Aus/NZ MUFs expected to be around 20% depressed 
today, and northern region MUFs are expected to be near to 15% 
above normal today. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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