7 lines (6 with data), 252 Bytes

f041a 0 128 0 12:20:00 19/09/1988
# Start time=12:20
# First beat=12:28:08.664
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.554,  <RR-high-limit(sec)>: 1.078
# Note: recording with a timing signal, flutter-compensated