7 lines (6 with data), 248 Bytes

f159a 0 128 0 13:00:00 01/02/1988
# Start time=13:00
# First beat=13:07:19.351
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.625,  <RR-high-limit(sec)>: 1.484
# Note: reel-to-reel recording, not flutter-compensated