February 21, 2002

VHF  operation memorandam for February 21, 2002 BY S. Nozawa

Experiment name:  dlayer_Heat_NI  (D-region measurement with Heating)
    
Å@Å@To investigate the response of an artificial heating of the ionosphere

Å@Å@ Ionospheric Stimulation by an High Power Radio Wave  
       Cosmic radio waves and ground based pressure waves are detected to  
       investigate the response of an artificial heating of the ionosphere.  

elan files: /kst/exp/dlayer_Heat_NI
Pulse scheme: dlayer-v
Start time: 17:00 UT on February 21, 2002
End time: 23:00 UT on February 21, 2002
Participants:  Satonori Nozawa,  Kazuhiro Adachi, and Hiroyuki Iwahashi


Before our experiment:  Nothing
After our experiment:  Nothing

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Note: (time in UT)
February 21

16:40           START (runexp  /kst/exp/dlayer_Heat_NI/dlayer_Heat_NI.elan 16:41)
										rtg
										Tsys=325 K

16:48            Tx on  (2940 kW)
16:53            enablerec

17:00            ? Tx is down (count down mode: need 30 minutes to recover)
17:06            disablerec

17:17            goppi down.  Network problem ?   eros has gone!!

17:22            eros v, but it does not working well (stopping....)

17:28            eros  v
17:31            runexp

17:40            enablerec

17:42            3000 kW

some aurora precipitation in the E-region

23:00             end



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Summary:
Tx power (3000 kW).  
Relatively clear/cloudy sky in the beggining, but it is low geomanetical activity.

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