Curiously, even taking into account HDS, the RFF hours of operation are significantly different:
B3/17 REVIEW B2/17
CERTIFIED AIR/GROUND RADIO SERVICE (CA/GRS) OPR
HR 2200-0700 UTC DAILY (1HR EARLIER HDS)
FREQ 124.2 D CALL SIGN 'BALLINA RADIO'
CHANGES TO HR WILL BE ADVISED ON AAIS
AAIS AND AWIS AVBL VIA FREQ 134.8
FROM 03 030455 TO 05 260600 EST
C20/17 REVIEW C294/16
FIRE AND RESCUE CAT 6 OPR HOURS
MON 1915 - 1015
TUE 1915 - 1015
WED 1915 - 1015
THU 1915 - 1015
FRI 1915 - 1015
SAT 1915 - 0820
SUN 2045 - 1015
FROM 03 080000 TO 04 010820 EST