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
5. PERFORM LINK QUALITY ANALYSIS (LQA). Set Cursor over
Ops. field (Figure 3-62) with CRSR knob. Select SEND with VAR
knob. Select LQA by placing cursor over Selection field with CRSR
knob. Select LQA operation with VAR knob. Set Cursor over
address field with CRSR knob. Select address with VAR knob. Push
ENT key. LQA is performed on all associated channels. HF automat-
ically returns to ALE mode.
6. SEND DIGITAL MESSAGE (ALE AMD MESSAGE). Set cursor
over address field (Figure 3-62) with CRSR knob. Select address
with VAR knob. Set cursor over Ops. field with CRSR knob. Select
SEND with VAR knob. Set cursor over Selection field with CRSR
knob. Select Message operation with VAR knob. Set cursor over
message index or the message on the second line with CRSR knob,
and use the VAR knob to select or change the message. Push ENT
key. HF sends message and links to selected address.
7. REVIEW DIGITAL MESSAGES RECEIVED (ALE AMD MES-
SAGES). Message scrolls across second line as it is received. To
review previous messages; Press MSG key. Select ALE_Rx mes-
sage type with VAR Knob. Set Cursor over message index or the
message on the second line with CRSR knob. Use the VAR knob to
review messages. Press VAR knob to view long messages. Push
MSG key to return to previous page.
8. MANUAL HF OPERATION.
Set Cursor over Ops. field with CRSR knob, select MAN with VAR
knob. Select frequency by one of two methods:
Operation
3-49
KHF 950/990 Pilots Guide
Rev. 0
Dec/96
Operations/Mode (Ops) Field Selection Field
HF ALE
SCAN
VOL SQL CRSR VAR
MSG CLR ENT
PUSH
ON
PUSH
CHAR
B
ALE Linked 5 R
KR1
Address Field
Figure 3-62 Display Annunciating ALE Linked
And Address Of Caller