7 lines (6 with data), 253 Bytes

f203a 0 128 0 9:35:00 10/02/1989
# Start time=09:35
# First beat=09:35:00.359
# <age-range>: 45-49, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.515,  <RR-high-limit(sec)>: 1.054
# Note: recording with a timing signal, flutter-compensated