RIDGE RECORDER — TAPE 14 CONTENT LOG (A.L.)

0400 wind steady. 0500 wind steady.
0512 [40s periodic signature begins]
0538 [signature stops mid-cycle]
0539 door contact: OPEN
0539 door contact: CLOSED
0540-0700 wind steady. no further events.

the recorder faces the door. frames 412-413
are listed as 'transition missing'.