Jim Rocca. Began warm-up of Version-1 1.5mm HTS probe at 7pm on Monday, 19th. Dr. William Brey arrived with a new Version-3 1.5-mm HTS Probe on Tuesday the 20th. On Wednesday the 21st, I removed the V-1 probe, installed the V-3, and cooled the V-3 probe to cryogenic operation. Dr. Brey tuned and made various measuments on the 1H, 2H and 13C resonators, including Q-values.