More today.
Date - Quantity - Start - End (Times are US EST)
6/4 - 6 - 0557 - 0634
6/6 - 6 - 0336 - 0633
6/8 - 6 - 0430 - 0633
6/14 - 10 - 0425 - 1145
6/28 - 21 - 2208 - 6/29 0805
7/16 - 22 - 0600 - 1447
7/17 - 24 - 0320 - 1446
7/19 - 20 - 0449 - 1446
Adjustment to 12 minute interval was on/about 7/20
7/28 - 28 - 0511 - 1935
Adjustment to 21 minute interval was on 7/29
8/11 - 6 - 0634 - 0923 ('forced' reconnect)
8/15 - 38 - 0335 - 2247 ('forced' reconnect)