7 lines (6 with data), 252 Bytes

f102a 0 128 0 14:51:00 14/12/1988
# Start time=14:51
# First beat=14:53:22.289
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.695,  <RR-high-limit(sec)>: 1.289
# Note: recording with a timing signal, flutter-compensated