7 lines (6 with data), 253 Bytes

f128a 0 128 0 15:00:00 30/01/1989
# Start time=15:00
# First beat=15:03:14.984
# <age-range>: 65-69, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.46,  <RR-high-limit(sec)>: 0.867
# Note: recording with a timing signal, flutter-compensated