Technical information
Table Of Contents
- TITLE PAGE
- TABLE OF CONTENTS
- INTRODUCTION
- SECTION I
- CHARACTERISTICS OF HF SSB
- ACRONYMS AND DEFINITIONS
- REFERENCES
- HF SSB COMMUNICATIONS
- FREQUENCY
- SKYWAVE PROPAGATION - WHICH FREQUENCY TO
- WHY SINGLE SIDEBAND IS IMPORTANT IN HF
- AMPLITUDE MODULATION (AM)
- SINGLE SIDEBAND OPERATION
- SINGLE SIDEBAND (SSB)
- SUPPRESSED CARRIER VS. REDUCED CARRIER
- SIMPLEX AND SEMI-DUPLEX OPERATION
- AUTOMATIC LINK ESTABLISHMENT (ALE)
- FUNCTIONS OF HF RADIO AUTOMATION
- HOW ALE ASSURES THAT THE BEST COMMUNICA-TIONS
- CHARACTERISTICS OF HF SSB
- SECTION II
- SECTION III
- SECTION IV
- SECTION V
- SECTION VI
- SECTION VII
- ITU MARITIME RADIOTELEPHONE STATIONS
- DESCRIPTION OF SERVICES
- AT&T HIGH SEAS RADIOTELEPHONE SERVICE
- AT & T COAST STATION COVERAGE MAP
- COAST STATION COVERAGE & INFORMATION
- AIRCRAFT REGISTRATION
- OPERATING PROCEDURES FOR USING THE HIGH SEAS RADIOTELEPHONE NETWORK
- AT&T HIGH SEAS COAST STATIONS
- MOBILE MARINE RADIO, INC.
- WORLDWIDE LISTING OF PUBLIC CORRESPONDENCE STATIONS
- MARITIME RADIOTELEPHONE CHANNEL DESIGNATIONS
- SECTION VIII
- SECTION IX
- SECTION X
- SECTION XI
- SECTION XII
- SECTION XIII
Traffic Lists
Traffic Lists are broadcast on all available WLO channels every hour
on the hour, or shortly after the hour if the channel is busy on the
hour.
Aircraft Registration
To pre-register your aircraft with WLO call 1-800-633-1312 and ask
for Customer Service. Pre-registration is not a prerequisite for obtain-
ing WLO’s services. You may register when you place your first call
through WLO by providing the WLO operator with the appropriate
information.
Billing Information
For customers calling land destinations via radiotelephone from air-
craft, provide the aircraft’s identification and a billable telephone num-
ber or an AT&T credit card number.
Services
7-12
KHF 950/990 Pilots Guide
Rev. 0
Dec/96
NORTH
AMERICA
SOUTH
AMERICA
ANTARCTICA
AUSTRALIA
ASIA
AFRICA
N
O
R
M
A
L
C
O
V
E
R
A
G
E
A
R
E
A
WLO
RADIO
HAWAII
Figure 7-2 Worldwide Listing Coverage Area