Dynasonde diary

2001

14 March 2001
High voltage cut out and won't return. Broken HV transformer in power supply. Continue sounding on A300 amplifier.
12 June 2001
New high voltage transformer installed in power supply. Soundings from 16 UT with high power transmitter.
12 Sept 2001
High power transmitter failed
about 8 October 2001
High power transmitter fixed.
30 Sept-Oct 2001
BAS engineers here for training and maintenance. Went through most of our spare valves, sorted out bad ones and left a working and balanced set in the HPTx, although they dont have the highest gain. HPTx working again from .....

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