7 lines (6 with data), 251 Bytes

f007a 0 128 0 9:50:00 20/09/1987
# Start time=09:50
# First beat=09:58:46.039
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.781,  <RR-high-limit(sec)>: 1.585
# Note: recording with a timing signal, flutter-compensated