Logbook entry: DTS situation check and first entry into Cathedral of the season (2012-12-02) at Cathedral - Mammoth Cave System

About happenings on Dec. 2, 2012, Aaron Curtis wrote:

Aaron & Tim went down Mammoth. Remove datalogger, sensors (incl smashed ultrasonic anemometer), 5x medium batteries, installed DTS. Channels 1 and 2 look OK, but 3 has all reflections within 20m. Channel 4 was unusable b/c the stickler broke off in it.

Squeezed into cathedral. Looks pretty similar to last year, but wall of first tube has opened into new passage. DTS cable frozen in pretty deep in cathedral.

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