Time announcements, Services 8-2 – BendixKing KHF 990 User Manual
Page 160
Among the services provided by these stations are:
• Time Announcements
• Geophysical Alerts
• Omega Navigation System Status Reports
• GPS Status Announcement
• Marine Storm Warnings
TIME ANNOUNCEMENTS
Voice announcements are made from WWV and WWVH once every
minute. To avoid confusion, a man’s voice is used on WWV and a
woman’s voice on WWVH. The WWVH announcement occurs first -
at 15 seconds before the minute - while the WWV announcement
occurs at 7.5 seconds before the minute.
The time referred to in the announcements is “Coordinated Universal
Time” (UTC). It is coordinated through international agreements by
the International Time Bureau (BIH) so that time signals broadcast
from the other stations like WWV throughout the world will be in close
agreement. The specific hour and minute mentioned is actually the
time at the time zone centered around Greenwich, England, and may
Services
8-2
KHF 950/990 Pilots Guide
Rev. 0
Dec/96
PM
PM
PM
PM
PM Midnight
AM
AM
AM
AM
AM
AM
AM
AM
AM
AM
AM
Noon
PM
PM
PM
PM
PM
105˚
120˚
135˚
150˚
165˚
180˚
165˚
150˚
135˚
120˚
105˚
90˚
75˚
60˚
45˚
30˚
15˚
0˚
15˚
30˚
45˚
60˚
75˚
105˚
120˚
135˚
150˚
165˚
180˚
165˚
150˚
135˚
120˚
105˚
90˚
75˚
60˚
45˚
30˚
15˚
0˚
15˚
30˚
45˚
60˚
75˚
90˚
90˚
40˚
60˚
20˚
0˚
20˚
40˚
60˚
80˚
40˚
60˚
20˚
0˚
20˚
40˚
60˚
80˚
A
B
C
D
E
Z
N
O
P
Q
S
T
U
V
W
X
MY
L
K
I
H
G
F
R
F
0
+1
+2
+3
+4
-1
-2
-3
-4
-5
-7
-8
-9
-10
-11
-12
+12
+11
+10
+9
+8
+7
+6
-6
+5
1 Day
+1 Day
NORTH PACIFIC OCEAN
SOUTH PACIFIC OCEAN
AUSTRALIA
ASIA
+6h
30m
+5h
30m
+6h
30m
+8h
+7h
30m
-3h
30m
NORTH
AMERICA
NORTH ATLANTIC
OCEAN
SOUTH ATLANTIC
OCEAN
-3
-3h
45m
-4
-3h
30m
44m
-3
ARCTIC OCEAN
INDIAN
OCEAN
+5h
30m
SOUTH
AMERICA
AFRICA
EUROPE
+3h
30m
+4h
30m