Description: | Beginning August 30, 2005, the Nauru Ceilometer periodically went into a strange
operational mode where the backscatter data exhibits vertical stripes. Looking at the backscatter
data - there are high amplitude oscillations occuring in the backscatter as a function
of time at a given height. The phenomenon appears to be more common at night. Dates
include: 30 Aug, 31 Aug, 1 Sep, 9 Sep, 15 Sep, 20 Oct, 22 Oct, 8 Dec, and others.
The fiber optic link to the ceilometer was faulty and causing periodic data corruption.
The problem was corrected when the fiber optic line was replaced with a hard wired RS232
link. |