Re: Origin of DMSP 1.9-second flashes

Tristan Cools (
Sun, 7 Sep 1997 07:48:47 +0200 (MET DST)

>Tristan Cools <> 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:
>> "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 !

Tristan Cools
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