The 7m TRH has been sick since about Jun 23. It looks like a bad RS232 connection. The data is good for periods of time, then garbage.
Here's a bit of data where it was in a and out:
data_dump -A -i 1,220 manitou_20100627_120000.dat | more 2010 06 27 13:44:10.4165 22.59 20 \xfc\xfe1\xfe~3f\xf04984\xe02929\r\n 2010 06 27 13:44:12.0258 1.609 26 \xfc\xfe10.\xf08\xe088\xee33 4985 2929\r\n 2010 06 27 13:44:13.6407 1.615 29 T\xde\xf8?\xfe10.08 88.30 4985 2928\r\n 2010 06 27 13:44:15.2587 1.618 31 TRH009 10.06 88.30 4984 0928\r\n 2010 06 27 13:44:16.8703 1.612 31 TR\xf8\xf00\xff\xe010.06 88.33 4984 \x00929\r\n 2010 06 27 13:44:18.4900 1.62 30 TR\xf80\x06\xff10.06 88.35 4984 0830\r\n 2010 06 27 13:44:20.1026 1.613 62 TRH009\xe010.04 88.37 4982 09\xc0\x8b\xd6\x98\xf8TR\xf800\xf9\xe010.05 88.48 4 983 093\x05\r\n