Flash period of 25991

From: Leo Barhorst <leobarhorst_at_gmail.com>
Date: Wed, 26 Feb 2014 12:10:09 +0100
>From my 25 Feb obs of 25991 I measured all the individual flashes with
Sattools.
Take care: the accuracy depends on how carefully the cursor is positioned
on the right pixel of the flash.


25991 99 067A   4172 G 20140225023247617 17 25 1857034+392324 37 S
25991 99 067A   4172 G 20140225023249538 17 25 1859629+393813 37 S
25991 99 067A   4172 G 20140225023253309 17 25 1854635+391015 37 S
25991 99 067A   4172 G 20140225023255230 17 25 1852198+385523 37 S
25991 99 067A   4172 G 20140225023257062 17 25 1849738+384072 37 S
25991 99 067A   4172 G 20140225023259024 17 25 1847168+382542 37 S
25991 99 067A   4172 G 20140225023300871 17 25 1844736+380955 37 S
25991 99 067A   4172 G 20140225023302789 17 25 1842084+375418 37 S
25991 99 067A   4172 G 20140225023304675 17 25 1839604+373687 37 S
25991 99 067A   4172 G 20140225023306507 17 25 1837281+372067 37 S
25991 99 067A   4172 G 20140225023308468 17 25 1834764+370383 37 S
25991 99 067A   4172 G 20140225023310278 17 25 1832347+364692 37 S

Total time: 22,661 sec over 12 periods -> average 1,888 sec

Time differences:
1,921 3,771 1,921 1.832 1,962 1,847 1,918 1,886 1,832 1,961 1,810 sec

So it looks like there is a long and short period alternately.
And a phase shift between point 8 and 9?

Cees mailed me that the flashes most probably are from the scanning
platform with a rotation of 2 sec.

Best regards
Leo Barhorst
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Received on Wed Feb 26 2014 - 11:10:40 UTC

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