07sep15: using 3 distomats to measure the height. 11apr14: distomat failure by hour of day . ... This has caused the laser ranging measurement to fail (it needs all 6 distomats to measure the platform position). The tiedown tracking uses the distomat measurements to keep the platform at the correct height. ... For each hour of each day i marked the hour ok if there was at least 1 valid distomat measurement during this hour. ... 30dec15 distomat 3 & 6 window replaced. 2014 . ...