Manual
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
SECTION XIII
APPENDICES
APPENDIX A: GEOPHYSICAL ALERT BROADCASTS
VOICE MESSAGE FORMATS FOR GEOPHYSICAL
ALERTS ON WWV
A. Solar-terrestrial indices for (month-day) follow: (always includes
the first two)
1. (X) Solar flux (value) and A-Index (value)
(X) Repeat, solar flux _____ and A-index _____
2. ( ) The Boulder K-Index at 1800 UT on (day) was (value) repeat,
(value)
( ) The Boulder K-Index at 0000 UT on _____ was _____ repeat,
____
( ) The Boulder K-Index at 0600 UT on ____ was ____ repeat,
____
( ) The Boulder K-Index at 1200 UT on ____was ____ repeat,
____
B. Solar-terrestrial conditions for the last 24 hours follow:
(includes any of the following)
1. (X) Solar activity was (very low) (low) (moderate) (high)
(very high)
2. (X) Geomagnetic field was (quiet) (unsettled) (active)
3. ( ) A (minor) (major) geomagnetic storm (began at ____ UT)
(is in progress) (ended at ____ UT)
4. ( ) A major flare occurred at (day-hour UT) (coordinates)
5. ( ) A proton flare occurred at (day-hour UT) (coordinates)
6. ( ) A satellite proton event (began at ____ UT) (is in progress)
(ended at ____ UT)
7. ( ) A polar cap absorption event (began at ____ UT)
(is in progress)
Appendices
13-1
KHF 950/990 Pilots Guide
Rev. 0
Dec/96