7 lines (6 with data), 252 Bytes

m107a 0 128 0 16:05:00 02/04/1991
# Start time=16:05
# First beat=16:13:26.796
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.562,  <RR-high-limit(sec)>: 0.875
# Note: recording with a timing signal, flutter-compensated