Re: Origin of DMSP 1.9-second flashes

Tristan Cools (tcools@nic.INbe.net)
Sun, 7 Sep 1997 07:48:47 +0200 (MET DST)

>Tristan Cools <tcools@nic.INbe.net> asked regarding 1.9-second period
>flashes exhibited by more than one DMSP satellite:
>
>>Any idea were those flashes are comming from ?  
>>
>>I have checked the PPAS database and found two other DMSP Block 5D--2
>>satellites with the same flash period of 1.9s:
>
>I believe that I have found the answer.  This is from the "Defense 
>Meteorological Satellite Program Technical Review" at:
>
>   http://psbsgi1.nesdis.noaa.gov:8080/EBB/pubs/sympos/symp2.html
>
>> "2. DMSP ELECTRO-OPTICAL AND MICROWAVE SENSORS"
>>
>> "2.2. Special Sensor Microwave Imager (SSM/1) - The SSM/I instrument 
>> measures the microwave radiation from the earth's atmosphere and 
>> surface. ...


Thanks Ed for the info !  I have searched for this info for a long time.
The SSM was, as I told Mike, a prime suspect to me.  Now we know for sure !

Greetings,
Tristan Cools
tcools@nic.INbe.net
BWGS member(Belgian Working Group Satellites)

Damse Vaart:    3.2478E/51.2277N 3.75m
Rijckevelde:    3.2856E/51.2045N 6.25m
Brugge     :    3.2166E/51.2104N 5m