T Time Figure of Merit character (TFOM), limited to the range 6 to 9:
9 indicates error >±10 milliseconds, or unsynchronized condition
8 indicates error <±10 milliseconds
7 indicates error <±1 millisecond
6 indicates error <±100 microseconds
YYYY Year
DDD Day of Year (001-366)
HH Hour of the day (00-23)
: Colon Separator
MM Minutes of the hour
SS Seconds (00-59), (00-60 for leap second)
z The sign of the offset to UTC, + implies time is ahead of UTC
ZZ The magnitude of the offset to UTC in units of half-hours.
If ZZ = 0, then z = +
m Time mode character, is one of:
G = GPS
L = Local
U = UTC
T = TAI
CC The current leap seconds
FF The future leap seconds, which will show a leap second pending
24hours in advance
CR Carriage Return
LF Line Feed