7 lines (6 with data), 251 Bytes

f077a 0 128 0 9:00:00 02/07/1988
# Start time=09:00
# First beat=09:13:46.031
# <age-range>: 50-54, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.601,  <RR-high-limit(sec)>: 1.601
# Note: recording with a timing signal, flutter-compensated