[Ips-dhfpr] IPS Daily HF Prop Report - 18 March 15 issued 2332 UT on 18 Mar 2015

rwc rwc at ips.gov.au
Thu Mar 19 10:32:21 EST 2015


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 MARCH 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 MARCH) 
Date   T index  Conditions    
18 Mar    25    Poor-fair      

Flares    Max     Fadeout    Freq.  Sectors
  M1.0 17/2336UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 50% during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 50% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 25% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      116
Mar      90
Apr      89


2. FORECAST (19 MARCH - 21 MARCH)
Date   T index  Conditions       MUFs                              
19 Mar    60    Fair-normal      15 to 25% below predicted monthly 
                                 values
20 Mar    90    Normal           Near predicted monthly values    
21 Mar   100    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 8 was issued on 17 March 
and is current for 18-19 Mar. Lack of ionospheric support for 
HF communications and/or significant depressions were observed 
across the Australian region on 18-Mar. Moderate depressions 
are expected to persist during 19-Mar, with MUFs returning to 
near monthly predicted values on 20-Mar.

----------------------------------------------------------
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 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of IPS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
To unsubscribe from an IPS mail list either send an email to 
"MAIL_LIST"-leave at ips.gov.au or go to
http://listserver.ips.gov.au/mailman/listinfo/"MAIL_LIST".
Information about training can be obtained from
http://listserver.ips.gov.au/mailman/listinfo/ips-training.
General information is available from
http://listserver.ips.gov.au/mailman/listinfo/ips-info.





More information about the ips-dhfpr mailing list