The TRH at 30m is acting up. Here is the data when it goes bad:
data_dump -i 1,420 -A manitou_20100314_120000.dat | more
2010 03 14 13:17:07.8073 0.82 31 TRH013 -4.18 88.21 3565 2887\r\n
2010 03 14 13:17:08.6281 0.8208 31 TRH013 -4.17 88.21 3566 2887\r\n
2010 03 14 13:17:09.4474 0.8194 31 TRH013 -4.19 88.21 3564 2887\r\n
2010 03 14 13:17:10.2680 0.8206 31 TRH013 -4.17 88.21 3566 2887\r\n
2010 03 14 13:17:11.0874 0.8194 31 TRH013 -4.17 88.19 3566 2886\r\n
2010 03 14 13:17:11.6405 0.5531 32 TRH013 560.79 -10099.38 -1 -1\r\n
2010 03 14 13:17:12.1912 0.5508 33 TRH013 560.79 -860.91 -1 29695\r\n
2010 03 14 13:17:12.7506 0.5594 33 TRH013 560.79 -728.27 -1 28671\r\n
2010 03 14 13:17:13.3080 0.5573 33 TRH013 560.79 -602.91 -1 27647\r\n
2010 03 14 13:17:13.8614 0.5534 33 TRH013 560.79 -602.91 -1 27647\r\n
2010 03 14 13:17:14.4180 0.5565 33 TRH013 560.79 -484.86 -1 26623\r\n
And when it comes back:
2010 03 14 13:25:23.2688 0.5591 33 TRH013 560.79 -374.10 -1 25599\r\n
2010 03 14 13:25:23.8211 0.5522 33 TRH013 560.79 -484.86 -1 26623\r\n
2010 03 14 13:25:24.3795 0.5584 33 TRH013 560.79 -602.91 -1 27647\r\n
2010 03 14 13:25:24.9310 0.5516 33 TRH013 560.79 -602.91 -1 27647\r\n
2010 03 14 13:25:25.6989 0.7679 35 TRH013 -4.18 -1418.74 3565 27647\r\n
2010 03 14 13:25:26.5223 0.8234 31 TRH013 -4.17 88.04 3566 2880\r\n
2010 03 14 13:25:27.3417 0.8193 31 TRH013 -4.17 88.06 3566 2881\r\n
2010 03 14 13:25:28.1604 0.8188 31 TRH013 -4.17 88.04 3566 2880\r\n
Note that the delta-Ts when it is working correctly are around 0.82 secs and when it goes
nuts are around 0.55 sec. Steve thinks it may be a PIC processor issue.