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etween transmitting terminals. half-duplex A terminal characteristic that allows receipt and transmission of signals, but not both at the same time. high power satellite A satellite with greater than 100 watts of transponder radio frequency transmitting power. home channel The control channel that a terminal uses to receive its CCOW messages and transmit its RCCOW and other system support messages. hyperspectral An instrument capability using many very narrow spectral frequency bands (300 or more), enabling a satellite-based passive sensor to discriminate specific features or phenomena on the body being observed (e.g., Earth). inclination angle The angle between a satellite's orbital plane and the earth's equatorial plane. indicator A symbol, flag, or signal that serves to identify a specific state or item. input/output data rate The rate, in units of bps, at which bits are sent to or received from an I/O device. Internet Interconnection of thousands of networks linked by a common set of technical protocols which make it possible for users to communicate and use services. interoperability The ability to have applications and computers from different vendors work together on a network. key generator identification number key generator memory key generator net number A unique 16-bit ID number associated with the OW encryption/decryption device. The KG ID number is the same as the terminal base address. A 3-bit code that defines one of eight memory locations in which the KG keys used for OW encryption and decryption are stored. A 5-bit code used to prepare the KG, which encrypts the CCOW and RCCOW. local area network A group of computers and related equipment connected locally, usually within a single building, by a communications channel capable of sharing information among several users. link test time-slot A shared time-slot used by a terminal to evaluate its link conditions or measure two-way range to the satellite. A link test is performed only in odd-numbered frames; range measurements are performed only in even-numbered frames. local (1) Operations within a channel or group of channels in a single footprint controlled by one PCC. (2) Initiations by an equipment operator. local footprint The satellite coverage area of a PCC and the terminals operating under its control. Glossary-17
low power satellite A satellite with less than 30 watts of transponder radio frequency transmitting power. master frame A frame occurring once in every eight frames that identifies the current waveform format and other configuration parameters. master frame epoch medium power satellite Glossary-18 A set of eight contiguous frames, beginning with a master frame. A satellite with greater than 30 watts but less than 100 watts of transponder radio frequency transmitting power. message service A service that provides resources for transmitting messages, using a packet-oriented protocol. modem A telecommunications device that converts between analog and digital signals, allowing communication over voice circuits. modernization The replacement of equipment, weapons systems, and facilities in order to maintain or improve combat capability, upgrade facilities, or reduce operating costs. modulation rate The rate at which information is transferred across a satellite channel, in units of symbols per second. modulo A mathematical function that yields the remainder of a division. multicast Multicast is a subset of broadcast that extends the broadcast concept of one to many by allowing “the sending of one transmission to many users in a defined group, but not necessarily to all users in that group.” multi-h A scheme that employs multiple modulation indices, or h values, that are cyclically changed for successive symbol intervals. multiple-channel The network capability of automatically switching from channel to channel within a single satellite footprint for transmit and receive services when commanded by the PCC. multiple-hop Operations that relay information between two or more satellite channels. multiplexing Techniques that allow a number of simultaneous transmissions over a single circuit. narrowband operation A communications mode whose essential spectral content is limited to a channel of nominal 5-kHz bandwidth. net guard address Address above the demarcation number that allows multiple terminals to communicate. Also called network address, guard address, subnet address, or guard list address. node A terminal or channel controller in a network. noise power The noise power per hertz (Hz) of bandwidth (No = kT) spectral density noncoherent A demodulation process in which there is no synchronized
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UHF TACSAT /DAMA MULTI-SERVICE TACT
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1. Scope PREFACE The intent of this
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c. We encourage recommended changes
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Acquire Resources .................
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TABLES Figure III-5. AN/WSC-3 .....
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EXECUTIVE SUMMARY UHF TACSAT/DAMA M
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1. Introduction Chapter I Overview/
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Figure I-1. UHF SATCOM Functional O
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elationship is not clearly defined.
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. Use a logical process for communi
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communications planner determines w
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Figure I-4. Long-Range (50 to 150 k
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I-13 Figure I-6. Military UHF Satel
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(a) A shared time-slot dedicated to
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sent at that time and the number of
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Figure I-10. A Segment Slots I-19
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Figure I-12. C Segment Slots e. The
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i. For TDMA DAMA, the time-slots wi
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Figure I-16. Communications on 25-k
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. Voice. (1) Bandwidth (25-kHz or 5
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This reduces the number of time-slo
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Radio Item AN/PRC-117F III-2 Table
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III-4 d. AN/ARC-231. (See Appendix
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III-6 i. USC-42(V)1, 2, 3 (mini-DAM
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III-8 Table III-2. OW Key Positions
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. User requirements— (1) Azimuth
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(6) Logging out. (a) For 5-kHz DAMA
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Spectrum Manager MARFORLANT; MARFOR
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Appendix A SATELLITE CHANNEL AUTHOR
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Table A-1. Satellite Channel (Home
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Table A-1. Satellite Channel (Home
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Appendix B Information Request Code
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Table B-1. Information Request Code
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Table B-2. Configuration Codes Conf
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C-2 Option Table C-2. MIL-STD 188-1
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C-4 Table C-4. UHF SATCOM Programmi
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pointing using the SATCOM receive s
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5. AN/PSC-117F DAMA UHF SATCOM a. U
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C-10 Table C-7. DAMA Programming Ch
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C-12 Table C-8. DAMA Net Preset Par
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C-14 Figure C-6. DAMA Port Configur
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C-16 Figure C-7. DAMA Destination P
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h. Passive ranging and ephemeris da
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(c) Select the destination to be ca
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• ACTIVE—Service request has be
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q. Terminate 25-kHz AC DAMA calls o
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communications. Slower data rate li
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(d) Select the desired DAMA net by
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completion of the communications. P
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C-32 Figure C-12. MSG Service Call
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C-34 Figure C-14. DAMA Service Stat
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1. Line of Sight (LOS) Operations A
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k. Enter channel number (009 to 239
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GUARD LIST VIEW 1 64000 ------ ----
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(13) For DASA only, enter time requ
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Message Action A Acquisition Failed
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Message Action Aborted To:xxxx (Rea
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Table D-7. Hot Keys, 5-kHz DAMA Key
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(9) Enter configuration code, if re
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(1) Select over-the-air, if the ter
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25-kHz AD HOC DAMA SETUP GUIDE - AN
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5C/D RADIOS 1. The following are re
Page 129 and 130: Table D-8. 5-kHz DAMA Operations (S
Page 131 and 132: Table D-8. 5-kHz DAMA Operations (S
Page 133 and 134: E-2 d. Programming operating modes.
Page 135 and 136: (12) After pushing the variable pos
Page 137 and 138: d. radio. Prior to COLD START, pres
Page 139 and 140: aa. INTKG should flash. Leave as is
Page 141 and 142: 1. Skyfire Operator Training Append
Page 143 and 144: The following message appears- F-2
Page 145 and 146: F-4 CI MENU LOAD PRESETS LOADING PR
Page 147 and 148: STEP 2. Rotate selector control kno
Page 149 and 150: (1) On = Activates guard receiver.
Page 151 and 152: 1. Setting Up for DAMA Appendix G A
Page 153 and 154: (1) Enter *92 then depress the Ente
Page 155 and 156: Appendix H EMI CHARACTERIZATION CHE
Page 157 and 158: Appendix J CUT SHEETS The following
Page 159 and 160: DAMA Database Set up Presets Mode P
Page 161 and 162: Appendix K Prioritization Scheme Ta
Page 163 and 164: References Joint CJCSM 3122.01, Joi
Page 165 and 166: COCOM combatant command COMM commer
Page 167 and 168: IO Indian Ocean IP internet protoco
Page 169 and 170: P PAC Pacific PCC primary channel c
Page 171 and 172: USARPAC United States Army, Pacific
Page 173 and 174: attitude can be measured by the ang
Page 175 and 176: channel control orderwire channel c
Page 177 and 178: participate in a class broadcast fr
Page 179: data stream into burst-formatted da
Page 183 and 184: preamble Consists of a carrier segm
Page 185 and 186: permit them to escape from the Sun
Page 187 and 188: waveform The combination of baseban
Page 189 and 190: COMSEC custodians, III-7 connection
Page 191 and 192: DAMA, I-7, III-6, C-20 point-to-poi
Page 193 and 194: data, I-24 data rate, I-24 disadvan
Page 195: MARINE CORPS: PCN 144 00003 80 PIN:
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