| 1424039912.625576	2025/02/19 22:38:14 UTC		Time start 24V 2.8A	right after start	all 8 elements 1424044804.902443	2025/02/19 23:59:46 UTC		Time stop 24V 1.8A	right before stop	all 8 elements  0.1A 	right before start and right after stop 
 note: turned on briefly to check current right before stop 
 2/20 RGA Scan 
 spikes?? 
 1424129207.857777	2025/02/20 23:26:29 UTC		Time start 24V 2.9A	right after start 	all 8 elements 1424140789.856096	2025/02/21 02:39:31 UTC 	Time stop 24V 1.7A	right before stop 	all 8 elements 0.1A 	right before start and right after stop 
 2025/02/21 02:43:19 UTC  Main chamber pressure: 1.54e-8  RGA chamber pressure:5.06e-9 
 spikes are due to loose connection between connectors. 
 1424210410.173863	2025/02/21 21:59:52 UTC 	Time start 24V 2.9A	right after start	all 8 elements 1424218357.96404	2025/02/22 00:12:19 UTC		Time stop 24V 1.7A	right before stop 	all 8 elements each elements: 0.3A (0.2A increment)(all) 0.1A right before start and right before stop 
 2/24 RGA Scan 
 1424467918.129082	2025/02/24 21:31:40 UTC		Time start 12V 2A		right after start	all 8 elements 1424478936.635821	2025/02/25 00:35:18 UTC		Time stop 12V 1.6A	right before stop 	all 8 elements each elements: 0.4A (0.2A increment)(all) 0.2A	right before start 
 
 rise time: A(1-exp(-t/tau))+B fall time: Aexp(-t/tau) +B |