|Cryptome DVDs are offered by Cryptome. Donate $25 for two DVDs of the Cryptome 12-years collection of 46,000 files from June 1996 to June 2008 (~6.7 GB). Click Paypal or mail check/MO made out to John Young, 251 West 89th Street, New York, NY 10024. The collection includes all files of cryptome.org, jya.com, cartome.org, eyeball-series.org and iraq-kill-maim.org, and 23,000 (updated) pages of counter-intelligence dossiers declassified by the US Army Information and Security Command, dating from 1945 to 1985.The DVDs will be sent anywhere worldwide without extra cost.|
8 February 1999
Commandant (G-TTM) U.S. Coast Guard 22 Nov 1995 Washington DC 20593 Coast Guard Telecommunications ACRONYMS A/D Analog to Digital A/K Matrix Audio and keyline switching matrix device. AAC Authorization & Access Control AAL ATM Adaptation Layer - a protocol that adapts xfer characteristics of the ATM "layer" to the needs of higher-layer protocols or network services. AAL Type 1 a protocol designed to meet the needs of CDR network services. Uses 1 octet per cell payload to support unstructured circuit transport (UCT). AAL Type 3/4 protocol defined to support the needs of SMDS connectionless service. Uses combo of 4 octets per cell payload and 8 octets per frame to provide its functions. ABS Automatic Broadcast Scheduler AC&I Acquisition, Construction & Improvement ACC Access Control Center (w/Blacker) Access Line Portion of a leased line that permanently connects the user w/serving central office (CO). ACCUNET AT&T data-oriented digital service ACI Adjacent Channel Interference ACK control code for a positive ACKnowledgment of rcvd transmission ACS Alternate Control Station ACTS Advance Communications Technology Satellite ADP Automated Data Processing ADPCM Adaptive Differential Pulse Code Modulation AFSAT Air Force Satellite System AGC Automatic Gain Control AGT AUTODIN Gateway Terminal - A comms-computer system that interfaces the MDT with an ASC. (also see Gateguard) AJ Anti-Jam ALE Automatic Link Establishment AM Amplitude Modulation AMME Army Automated Multi-media Message Exchange AMPE Automated Message Processing Equipment ANDVT Advanced Narrowband Digital Voice Terminal (KYV-5) ANSI American National Standards Institute Application Layer the 7th & topmost layer of the "OSI Stack" that interfaces to the network user APR Agency Procurement Request Architecture a framework the describes how the components of a system fit together ARPA Advanced Research Projects Agency ARQ Automatic Repeat ReQuest, method of automatic error correction used for handshake of SITOR terminals in point to point communications to insure accurate communications. ASC Automatic Switching Center (ie: AUTODIN ASC) ASCII American National Standard Code for Information Interchange ASDS ACCUNET Spectrum of Digital Services, a fractional T1 service tariffed by AT&T ASIC Application Specific Integrated Circuit ASK Amplitude Shift Keying Asynchronous data transmission that isn't related to specific freq or timing. Start/Stop transmission - bytes encapsulated w/start-stop bits AT&T American Telephone & Telegraph ATM Asynchronous Transfer Mode - a form a packet switching; a subset of cell relay that uses 53 byte cells as the basic transport unit. A high speed transmission technology - cell switching and multiplexing technology. Key concept is that all information is carried in short, fixed-length blocks called "cells". AUTODIN AUTOmatic Digital Information Network, DOD secure record message system for teletype data. AUTOVON Automatic Voice Network AWACS Airborne Early Warning & Control System B8ZS Bipolar 8-Zero Substitution B-ISDN Broadband Integrated Services Digital Data Network Backbone a network designed to interconnect lower speed channels BACS Bay Area Communications System. A Microwave system extending from Monterey to Humbolt Bay controlled by D11 and maintained by SUPRTCEN Alameda providing telephone and data services. Bandwidth The range of frequencies a device can handle. (For a digital circuit it is the "bit speed" (BPS) governing the rate at which individual bits are carried. BCST Broadcast - transmitting to all users at once. BER Bit Error Rate BFES Blacker Front Ends (on Milnet) BFSK Binary Frequency Shift Keying BICI Broadband Inter-Carrier Interface (lets ATM services of public carriers interrelate) BLACKER NSA Cryptographic device (X.25) BLOS Beyond Line of Sight BPS Bits Per Second - measure of speed at which information is transferred. BPSK Binary Phase Shift Keying BPV Bipolar Violation Bridge An internetworking device that connects LANS together at the Media Access Control (MAC) or LINK layer of the OSI model (bottom two layers). They are typically cheaper and easier to install and manage than routers. Transparent bridges look at every packet on one network and forward those packets destined for another network through the appropriate port. Source-routing bridges use special info embedded inside the packet by the orig device to forward the frame toward the packets destination. Broadband supporting a wide range of frequencies. Bus a LAN topology where all interconnected computers are aware of all transmissions, but each computer receives only those transmissions addressed to it. C2 Command & control C3(I) Command, Control, Communications (& Intelligence) C4(I) Command, Control, Computers, Communications & Intelligence C&A Certification & Accreditation CAMS Communications Area Master Station. CAMSLANT Communications Area Master Station AtLANTic, operational control of COMMSTAs in their Area. Chesapeake, VA CAMSPAC Communications Area Master Station PACific,operational control of COMMSTAs in their Area. Point Reyes, CA CAP Component Approval Process (DMS) CARRIER Public/Common provider of communications facility CASREP Casualty Report: sent to operational commander on equipment/system casualty. NWP10 provides requirements for message and format. CASCOR Casualty Corrected: Report sent to operational commander on equipment/system casualty correction. NWP10 provides requirements for message and format. CBR Constant Bit Rate CCITT Consultative Committee; International Telegraph and Telephone CCC Clear Channel Capacity - ability use use the entire 64Kbs channel without the 8Kb overhead (resulting effective data rate at 56Kbs) CCS Communications Control System, an automated COMMSTA equipment control system. CAP Component Approval Process CDAN Component Deployment Approval Notice CDM Code Division Multiplexing CDMA Code Division Multiple Access Cell a fixed-length unit of data Cellular A radio comms technology where coverage areas are defined by "cells" and low power frequencies are used. CGDN Coast Guard Data Network, a CG wide data network on SPRINTNET for EMAIL, data and message transfer. Was called HDN or X.25. Channel Logical or physical connection between two end points Channel Groups Multiple NxDSO's circuit switching an "open pipe" technique that establishes a temporary dedicated connection between two points. CISS Center for Information Systems Security Clear Channel Capability Ability to use all 64 KBps of a DS0 for user data Cloud A homogenous data network. The "public network" (you don't know where it goes, as long as it comes out the other end) CMS Communications Security Material System: accountability system for cryptographic materials CMW Compartmented Mode Workstation CO Telephone company Central Office COAX Coaxial cable COMDAC Electronic sensor, weapons and display system used on 270 foot WMEC. COMPUSEC Computer Security COMSAT Communications Satellite COMSEC Communications Security COMMSTA COMmunication STAtion CONOPS CONcept of OPerationS CONUS Continental United States COTS Commercial Off-the-shelf CP Crypto-Peripheral (see WSP) CPE Customer Premise Equipment CRC Cyclic Redundancy Code CRL Certificate Revocation List (related to DMS) Crossbanding Translating a signals frequency from one major band to another (ie. EHF to UHF) CRTT CAMSPAC keyed, Secure Pacific Radio Teletype broadcast. CAMSPAC simultaneously keys transmitters in Honolulu and Kodiak, AK. CRYPTO A device to encrypt or decrypt voice or data transmissions. CSMA Carrier-Sense Multiple Access with Collision Detection CSU Channel Service Unit: equipment that terminates the long distance circuit in the customers location. Often paired with a digital service unit (DSU). CUDIXS Common User Digital Information Exchange System CW Continuous Wave Morse Code transmission. CWO Communications Watch Officer. D4 T1 framing technique dividing T1 into 24 channels, a D4 frame being 192 x 8000 / 24 = 64 Kbps or a DS0 D/A Digital to Analog DAA Designated Approving Authority DACS Digital Access and Cross-Connect System DAMA Demand Assigned Multiplex Access - Multiplexing system for Satellite Communications to operate several different types of information over one Satellite channel. Datagram a finite length packet with sufficient information to be routed from source to destination independently of previous transmissions dB Decibel dBM Decibels referred to 1 Milliwatt of Power DBMS DataBase Management System DBOF Defense Budget Operating Fund dBW Decibel referenced to 1 watt DBPSK Differential Binary Phase Shift Keying DCA Defense Communications Agency DCS Defense Communications System DDN Defense Data Network - X.25 common user packet switched communications network DDP Distributed Data Processing DDS Dataphone Digital Service - a carrier offering that uses 2.4-56 Kbs DEC Digital Electronics Corporation, computer manufacturer. Dedicated Lines A private, leased or owned, communications path between specific sites. Demod Demodulator: A device to convert received teletype audio tones to teletype data. Demux Demultiplex DES Commercial Digital Encryption Standard, encryption method used for voice or data for UNCLASSIFIED sensitive information. NOT AUTHORIZED for classified information. DDN Defense Digital Network for high speed DOD data systems. DDS Digital Data Service DGG Defense Global Grid Dialup A communications path through a telephone line using tones to establish the connection Digital Data Connections Three types: (1) Circuit Switched: similar to std phone line, dial up-xfer data-hang up. (2) Leased Lines: permanent circuit connections that are always available without any required setup time. (3) Packet Switched: (a) X.25: "low speed"/low volume w/lots of error checking (b) Frame Relay: "stripped down" version of X.25, w/higher speed, less error checking DII Defense Information Infrastructure DISA Defense Information Systems Agency DISN Defense Information System Network (replacement for DDN) provides global multi-media connectivity Distributed Backbone Topology A network configuration where local sites connect to other sites through intermediate, higer capacity sites. DITSO Defense Information Technology Services Organization DMS Defense Messaging System - Replacement for AUTODIN - Secure, multilevel (U-TS/SCI) desktop to desktop message system. Key components of the DMS X.400 Message Handling System (MHS) are: MTA - Message Transfer Agent UA - User Agent (an application that provides users access to the MTS OUA - Organizational User Agent - version of UA that provides release authentication and message distribution for organizational messages MS - Message Stores (mailbox) MLA - Mail List Agent MTS - Message Transfer System (a network of MTA's) Key components of the DMS X.500 Directory Services (which provide source for Originator/Recipient (O/R) addresses (& public key) are: DUA - Directory User Agent (user interface to the directory resident in each user workstation) DSA - Directory Ststem Agent (application provides access to the distributed information base DOD Department of Defense DONCAF Department of the Navy Central Adjudication Facility, Washington Navy Yard for background investigation adjudications and security clearances. DPA Departmental Procurement Approval (by DOT for big $$$) DPCM Differential Pulse Code Modulation DPSK Differential Phase Shift Keying DS0 Digital Signal, Level 0 (64 Kbps) DS1 Digital Signal, Level 1 (1.544 Mbps) DS3 Digital Signal, Level 3 (44.736 Mbps) DSA Directory System Agent DSCS Defense Satellite Communications System DSI Digital Speech Interpolation DSN Defense Switching Network, DOD telephone system for voice and low speed data. DSNET1 Defense Secure Network 1 - Secret Segment of DDN DSNET2 Defense Secure Network 2 - Top Secret segment of DDN DSNET3 Defense Secure Network 3 - SCI segment of DDN DSS Digital Signature Standard (an NIST standard) (DMS) DSU Digital Service Unit: a synchronous serial data inferface that buffers and controls the flow of data between a network portal, such as a bridge or router, and the channel service unit (CSU). DTS Diplomatic Telecommunications Service DUA Directory User Agent (DMS) EAM Emergency Action Message (e.g. USAF Global EAM) Earth Station A place where satellite signals are received and processed EBLOS Extended Beyond Line of Sight EC Earth Coverage ECAC Electromagnetic Compatability Analysis Center, Annapolis, MD ECCM Electronic Counter-Countermeasures EDI Electronic Data Interchange EECEN USCG Electronics Engineering Center, Wildwood, NJ EEPROM Electronically Erasable Programmable Read-Only Memory EGP Exterior Gateway Protocol EHF Extremely High Frequency ( >30 GHz ) EILSP Electronics Integrated Logistics Support Plan EIP Embedded INFOSEC Product EIRP Effective Isotropic Radiated Power EKMS Electronic Key Management System (EKMC Finksburg, MD) ELF Extremely Low Frequency (0 - 3 KHz) Submarine traffic ELF Encrypted Link Filter (Direct interface for e-mail and modem service for SDN) ELINT Electronic Intelligence e-mail Electronic Mail EMI ElectroMagnetic Interference EMP ElectroMagnetic Pulse ENCODE Add check bits to data stream to allow for error correction at receiver. ENCRYPT Scramble data to provice Communications Security EOM End of Message ERP Effective Radiated Powerl ERPAL Electronics Repair Parts Allowance List ES End System ESF Extended Superframe Format - T1 line framing technique using 24 D4 frames per ESF frame to provide "robust" line diagnostics, monitoring and control ETHERNET A local area newtwork (fiber, twisted pair or coax) used to connect computing devices Facility Communications link or circuit FAX Facsimile FCC Federal Communications Commission FDDI Fiber Distributed Data Interface - a fiber optic local area network (LAN) connecting computing devices FDDI-II a variation of FDDI that supports isochronous traffic FDM Frequency Division Multiplexing FDMA Frequency Division Multiple Access FEC Forward Error Correction, used for the broadcast mode of SITOR. Fiber Fiber Optic Cable FIPS Federal Information Processing Standard FLEETSATCOM Navy Satellite Communications System Flow Control ability of network node to manage different data rates by means of buffering schemes or by reducing the data flow from a sending station FOC Full Operational Capability FOW Forward Orderwire Fractional T1 NxDS0 portion of T1 bandwidth Frame Relay A high speed data "packet" transfer scheme; an upgrade of X.25 packet switching FREQ. HOP Randomize transmission frequencies to provide AJ and LPI. FRTT COMMSTA Boston keyed, Secure Atlantic Radio Teletype broadcast. FSB DOD/USN Fleet Satellite Broadcast (UHF) FSK Frequency Shift Keying, a method of data transmission by shifting a center frequency to higher a lower frequencies creating marks and spaces. FT1 fractional T1, individual 64Kb channels of the 1.54Mb T1 FTP File Transfer Protocol FTAM File Transfer, Access & Management FTS2000 GSA contract with AT&T to provide telephone and telephone networks for non-DOD government agencies. FY Fiscal Year G Billion GAIN Concentration of signal in preferred direction. GATEGUARD GATEWAY A device that interconnects dissimilar LAN's that employ different high-level protocols GBA Gimballed Antenna GCCS Global Command & Control System GDA Gimballed Dish Antenna GEOS Geostationary Satellite. A satellite in a synchronous orbit above the equator. GHz Gigahertz - billions of cycles per second Global Dial Tone A concept of universal, everywhere, anytime simple to use communications. GLORI Global Radio Interface GOSIP Government Open Systems Interconnection Protocol. Defines a common set of data communication protocols that enable systems developed by different vendors to interoperate and users of different applications on those systems to exchange information. GOTS Government Off the Shelf GMCC Gateway Monitoring & Control Center GMDSS Global Maritime Distress and Safety System. GPS Global Positioning System Groom Efficient allocation/assignment of DS0's on T1 HDN Hybrid Data Network. (now CGDN) HDN Heterogeneous Data Networks - Networks with dissimilar data formats. HDR High Data Rate (Tx rate greater than 1.544 Mbps) HEMP High Altitude Electro-magnetic Pulse HF High Frequency (3 - 30 MHz or 3000 - 30000 KHz) HFCW High Frequency Morse CW (3-30 MHz). HFDL High Frequency Data Link; (Low volume) Mode for packet HF transmission used by WPB, WLB, WAGB, and LORAN Stations for communications. HFRWI High Frequency Radio Wireline Interface, Secure phone patch from desktop STU-III to ship via HF or Satellite (Navy) HHR High Hop Rate HI-CAP Telephone Company reference to a T-1 digital circuit. HOBA HOrizontal Broadband Antenna HPA High Power Amp HPBW Half Power Beam Width HPCC High Performance Computing & Communications Hz Hertz (aka: cycles per second) I&A Identification & Authentication I&T Integration & Test I/O Input/Output IADS International ACCUNET Digital Service IBR Intermediate Bit Rate (see IDR) IC Integrated Circuit ICA Integrated Communications Architecture ICD International Code Designator IDR Intermediate Data Rate (64, 128, 255, 384, 512, 768 KBps) IDSCP Initial Defense Satellite Communications Program IEEE Institute for Electrical & Electronic Engineers IEEE has letter designators to define certain frequency bands for convenience, they are: Desig Frequency Range "A" 160-186 MHz "G" 186-225 MHz "P" 225-390 MHz "L" 390-1550 MHz "S" 1550-4200 MHz "C" 4200-7000 MHz "X" 7000-11000 MHz "K" 11000-33000 MHz "Q" 33000-46000 MHz "V" 46000-56000 MHz IETF Internet Engineering Task Force IF Intermediate Frequency IFL Inter-facility Link IGRP Internet Gateway Routing Protocol IHFDL Integrated High Frequency Data Link, used when the HFDL terminal is communicating between ship and Group Office via the SDN without CAMS/COMMSTA intervention. ILSP Integrated Logistics Support Plan IMO International Maritime Organization INE In-line Network Encryptors INMARSAT Internaional Mobile satellite Organization, was INternational MARitime SATellite Organization, international company headquartered in London providing analog and digital satellite communications at a tariffed rate. COMSAT Inc. is the United States representative for this monopoly. Intelligent Gateway A process that uses external variables to dynamic- ally select communications paths. Translates data formats between heterogeneous sub networks. INTERNET A network that interconnects two or more other networks Interoperable Ability to communicate between processes. IOC Initial Operational Capability IOC Inter-Office Channel IP Internet Protocol IPR In Process Review IS Information System ISDN Integrated Services Digital Network - CCITT defined high speed digital network ISSA Inter-Service Support Agreement ITDS Information Transfer Distribution System, used to transfer messages from SSAMPS throughout the Coast Guard via CGDN. (Formerly called MTDS.) ITSDN Integrated Tactical Secure Data Network IXC Inter-Exchange Carrier Isochronous equally timed; timing info is transmitted on the channel along with date - sending asychronous data by synchronous means...sending asynch characters between each pair of start and stop bits. JRSC Jam Resistant Secure Communications K Thousand KBPS KiloBits Per Second (BPS x 1000) KDC Key Distribution Center (Finksburg, MD operated by NSA) KEA Key Encryption Algorithm Keyer A device to convert teletype data to a 2000Hz audio tone with a shift of either +/-85 or +/- 425Hz for transmission. KG-84C CRYPTO box for decrypting and encrypting secure point to point RATT circuits over HF. (GPEE) KG-84A CRYPTO box for decrypting and encrypting secure point to point data over landline. (GPEE) KHz Kilohertz (cycles per second x 1000) KRL Key Revocation List (related to DMS) kW Kilo Watt (Watt x 1000) KWT-46 CRYPTO box for encrypting secure RATT broadcasts. (Vallor system) KWR-46 CRYPTO box for decrypting secure RATT broadcasts. (Vallor system) KY-75 Old generation (PARKHILL) of Secure Voice CRYPTO being replaced by KYV-5 (ANDVT). KYV-5 New Secure Voice (ANDVT) CRYPTO that replaces KY-75 (PARKHILL). L-band Frequency band from 390 MHz - 1550 MHz LA Local Authority LAN Local Area Network: Any data network that spans a local or limited geographic area. (ie. office, building, campus environ) ownership by user organization LATA Local Access and Transport Area - local TELCO serving area LATENCY The time it takes for data to transit from source to destination LAW Local Authority Workstation - network security mgmt services ie. programming "TESSERA" cards, loading keymat, & user authentication certificates. LCCE Life Cycle Cost Estimates LDMX Navy Local Digital Message Exchange LDR Low Data Rate (Tx rate 75-2400 bps) LEASAT Leased Satellite LEC Local Exchange Carrier LEIS Law Enforcement Information System LEOS Low Earth Orbiting Satellite LF Low Frequency (30 - 300 KHz) LHR Low Hop Rate Link 11 A datalink system to exchange tactical data less than 5 seconds old between ships using HF radio. Link 16 A SHF Satellite system used between battle group commands for real time tactical data. Distributed to battle group by Link 11 LL Local Loop LMD Local Management Device LNA Low Noise Amplifier LO Local Oscillator LOC Limited Operational Capability LOS Line of Sight LPC Linear Predictive Coding LPI Low Probability of Intercept LSO Local Servicing Office LUF Lowest usable frequency LUT Local Users Terminal M Million MAISRC Major Acquisition System Review Council MAP Manual Assist Position, a PC used to access the Thrane & Thrane SITOR equipment for message processing. MBA Multi-Beam Antenna MBPS MegaBits Per Second (BPS x 1,000,000) MBS Multi-year Budget Strategy MCM Multi-Chip Module MCW Modulated Continuous Wave. MDR Medium Data Rate (Tx rate 4800-1.544 Mbps) MDT Message Distribution Terminal, a Zenith PC used for office automation. Coast Guard uses it on the AUTODIN/NAVCOMPARS circuits for connectivity to DOD message system. MEGACOM AT&T MEGACOM 800 Service for large WATS customers MEK Message Encryption Key MF Medium Frequency (300 - 3000 KHz) MFSK Multiple Frequency Shift Keying MHz MegaHertz (millions of cycles per second) MIL-COM Commercial contractor that does the majority of installation work for NAVELEX both ship and shore. MILNET Military Network - unclassified segment of DDN MILSATCOM Military Satellite Communications - A DOD UHF military satellite system for transmission of voice, data and imagery. MILSTAR MILitary STrategic And Relay (Satellite) MIMIC Microwave/Millimeter Wave Monolithic Integrated Circuit MISSI (NSA's) Multilevel Information Systems Security Initiative - MISSI products provide: writer-to-reader info security services including data integrity, access control, authentication, non-repudiation and confidentiality. Support for e-mail, file transfer, remote login, database mgmt. Compatibility w/commercial computing & networking technology. Protection against unauthorized disclosure or modification of information while allowing integration of systems w/different sensitivity levels. MFCW Medium Frequency Morse CW (400-512 KHz) MLA Mail List Agent (in DMS) - e-mail "exploder" for e-mail sent to a distribution list. MLS Multi-Level Security MMDF-II Multichannel Memorandum Distribution Facility MMS Multi-level Mail Server MNS Mission Needs Statement MODEM Modulator-Demodulator combination MOSAIC Message Security Protocol, NSA owned/produced government furnished software provided to vendors for "multi-level secure architechture", public/private data encryption key. A "workstation product" using NSA "Type II" algorithm, provides security services for sensitive but unclassified (SBU) electronic mail. MROC Multi-command Required Operational Capability MSK Minimal Shift Keying MSP Message Security Protocol (w/DMS) MTA Message Transfer Agent (DMS) MTBF Mean Time Between Failures MTDS Message Transfer Distribution System (now called ITDS) MTTR Mean Time to Repair Multimedia The ability to process audio, video, text, graphics and fax. Multiple A local device that allows one audio source input to generate outputs to multiple transmitters. MUX Multiplex(er) NAVCAMS US Naval Communications Area Master Station NAVCOMPARS NAVy COMmunications Processing And Routing System used for sending secure message to AUTODIN from ship, stations or mobile units. NAVTEX NAVigational TEXt, an international broadcast on 518 KHz that provides the mariner a printed copy of up to 26 different types of information. NB Narrowband NBAM Narrowband Amplitude Modulation NBFM Narrowband Frequency Modulation NCA National Command Authority NCCS Network Communications & Control Station NCTS Naval Computer & Telecommunications Station NEACP National Emergency Airborne Command Post NEC Numeric Electromagnetics Code NES Network Encryption System (NOT NINTENDO Entertainment System) NESP Navy EHF Satellite Program Network The pieces & parts of a communications system that connect computing devices. Network Management The process of managing the devices and software within a network. This may include phone lines, fiberoptic cables, radios, satellite services, repeaters, bridges, routers, gateways, etc. NIC Network Information Center (Internet) N-ISDN Narrow-band Integrated Services Digital Network NIST National Institute of Science & Technology (old National Bureau of Standards) NLSP Network Level Security Protocol NMA Communications Station Miami, FL Radio call sign. NMC CAMSPAC San Francisco, CA Radio call sign. NMCC National Military Command Center NMCS National Military Command System NMF Communications Station Boston, MA Radio call sign. NMG Communications Station New Orleans, LA Radio call sign. NMN CAMSLANT Portsmouth, Va Radio call sign. NMO Communications Station Honolulu, HI Radio call sign. NNI Network to Network Interface NOAA National Oceanographic and Atmospheric Administration NODE termination point for two or more communication links NOJ Communications Station Kodiak, AK Radio call sign. NPR Noise-Power Ratio NRV Communications Station Guam Radio call sign. NWS National Weather Service OC-3 155 MBs optical "pipe" OC-12 622 MBs optical "pipe" (ie: SONET) OE Operating Expenses OG-30 Operating Guide 30 - Operating & Maintenance Funds (OG 30.19 [point account] for G-T projects) OG-42 Operating Guide 42 - Repair & Replacement Funds ON Organizational Notary OPCEN Operations Center Optical Fiber any filament or fiber made of dielectric materials and consisting of a core (to carry laser generated light signals) and a surrounding cladding that reflects the signal back into the core. May be glass or plastic. ORBCON A low earth orbiting satellite communications service provider. ORD Operational Requirements Document OSC USCG Operations Systems Center, Martinsburg, WV OSI Open Systems Interconnection enables multivendor systems to intercommunicate - protocol suite - X.400 message transfer agent (MTA), X.500 directory system agent (DSA) OSI Stack Open Systems Interconnection - An international set of standard protocols between end systems. The stack consists of seven layers: (7) Application (6) Presentation (5) Session (4) Transport (3) Network (2) Datalink (1) Physical Each layer has its own job and interface specification. OTAR Over-The-Air-Rekey (of crypto equipment) OTAT Over-The-Air-Transfer (of crypto keying material) OTCIXS Officer Tactical Communications Information Exchange System, 2.4Kbps Satellite system to exchange user friendly tactical data less than 10 minutes old to users. Soon to be on all 270 WMEC and 378 WHEC. P/P An abbreviation for either patch panel or Phone Patch. PABX Private Automatic Branch EXchange for local telephone service. Packet a unit of data, consisting of binary digits including data and call-control signals, that is switched and transmitted as a composite whole. Packet Switching a data-transmission technique whereby physical resources on a path are switched on a per-packet basis, using control information in the header of each packet; it can operate in either connection-oriented or connectionless mode. PBS Private Branch Exchange. A small or local phone switching service. PCM Pulse Code Modulation PCMCIA Personal Computer Memory Card International Association PCMT Personal Computer Message Terminal PDU Protocol Data Unit Pipe Simply: A communications path. PLA Plain Language Address PM Phase Modulation PMO Program Management Office PMSP Pre-Message Security Protocol (w/DMS) - provides encryption, integrity and non-repudiation for Unclassified-Sensitive E-mail POC Proof of Concept POM Porgram Objective Memorandum POP Point of Presence POTS Plain Old Telephone Service. PP Project Plan PPBES Planning, Programming, Budgeting, Evaluation System PRF Pulse Repetition Frequency PRT Packet Radio Terminal Producer Push A concept where data is sent from producers to users. As opposed to User Pull, where data is retrieved by a user as required. Protocol The rules and conventions between communicating processes. PSK Phase Shift Keying PSN Public Switched Network. PSTN Public Switched Telephone Network. Public Network See "Cloud" PVC Permanent Virtual Connection "Q" Signals Operating signals used on both commercial and military circuits. From International Telecommunications Union Radio Regulations. QRY A CW "Q" signal meaning Your number is. QUALCOM A geosynchronous satellite communications service provider. QUERY A request for data from a remote data base. R&D Research & Development RAM Random Access Memory RATT Radio Teletype RCCOW Return Control Channel Orderwire RCP Resource Change Proposal RCS Receiver Control System RD Routing Domain RF Radio Frequency RFL A manufacturer of FSK and VFCT type terminal modems for multiplexing. RISC Reduced Instruction Set Computer rlogin Remote Log-In RLPA Rotatable Log Periodic Antenna ROBUST The ability to operate, or degrade gracefully, under adverse or damaged conditions. ROM Read Only Memory Router A process that connects homogeneous networks. A device used to connect the wires from one or more networks together. Routers examine the network address of each packet. Those packets that contain a network address different from the originating PC's address are forwarded onto an adjoining network. Routers also have network-management and filtering capabilities, and many newer routers incorporate bridging capabilities as well. More expensive and harder to install than a bridge. ROW Return Orderwire RRPSH Root Registry Public Signature key RX Receiver S/a Service/agency S-band Frequency band from 1550 MHz - 5200 MHz S/N Signal to Noise Ratio SACS STU-III Secure Access Control System. The newest generation of secure telephone for landline use with voice or data and is automatic answering. SAFENET Survivable, Adaptable, Fiberoptic, Embedded network. A Navy standard fiberoptic LAN. SAG Secure Air to Ground, normally voice over specific HF Radio frequencies using PARKHILL or ANDVT. SAMPS Semi-Automated Message Processing System SARSAT Search And Rescue SATellite SATCOM Sattelite Communication Satellite Frequency Bands (fixed) BAND DESIGNATOR FREQUENCY UHF UHF/DOD 235 - 322 MHz 335.4 - 399.9 MHz L Commercial 1.53 - 1.6605 GHz (INMARSAT) S Commercial/DOD 1.807 - 1.823 GHz Uplink 2.257 - 22773 GHz Downlink C Commercial 5.925 - 6.425 GHz Uplink 3.7 - 4.2 GHz Downlink X SHF/DOD 7.9 - 8.4 GHz Uplink DCSC I - III 7.25 - 7.75 GHz Downlink Ku Commercial 14.0 - 14.5 GHz Uplink 10.95 - 11.2 GHz Downlink any region 11.45 - 11.7 GHz Downlink any region 11.70 - 12.2 GHz Downlink region 2 Ka 17.7 - 20.2 GHz Uplink 27.0 - 30.0 GHz Downlink EHF MILSTAR 44 GHz Uplink MILSTAR II 20GHz Downlink SBU Sensitive But Unclassified SCCN Secure Command & Control Network SCF Satellite Control Facility SCI(F) Sensitive Compartmented Information (Facility) SCN System Control Network, an unclas voice circuit over HF Radio for Coast Guard and Commercial vessel. SCPC Single Channel Per Carrier SCT Single Channel Transponder SDH (CCITT) Synchronous Digital Hierarchy (aka: SONET) Worldwide digital hierarchy for broadband transmission systems. 155 Mbps network to network transport interface standard. SDLS Satellite Data Link System SDM Subrate Data Multiplexing SDMA Space Division Multiple Access SDN Secure Data Network, a SACS STU-III and SWS based system for secure message transmission. SDN Softward Defined Network SDNS Secure Data Network System - (w/DMS) DOD/DON Secure network that provides user to user security through Message Security Protocol (MSP)and Pre-Message Security Protocol (PMSP). Message encryption from workstation to workstation. SDS Satellite Data System SERVER A process that answers a query. SGLS Space (Satellite) to Ground Link System SH System High SHA Signature Hash Algorithm SHF Super High Frequency (3 - 30 GHz or 3000 - 30000 MHz) SINA Static Integrated Network Access SITOR SImplex Teletype Over Radio, a narrow band direct printing teletype using ARQ protocol for error free data communications from ship to ship or ship to shore. Coast Guard sends SITOR navigational warnings broadcasts using the FEC mode. SMDS Switched Multi-megabit Data Service SMEF System Management Engineering Facility SMG SNS Mail Guard - used to control traffic between networks (ie. between a Secret high and a SBU network to allow exchange of SBU information) (see SNS) SMTP Simple Mail Transfer Protocol SNS Secure Network Server - goes beyond SMG functionality - SNS will have MOSAIC and CP capability allowing confidentiality for claslsified data to the WSP workstation level. SOM Start of Message SONET Synchronous Optical Network SOP Standard Operating Procedure SOVT System Operation Verification Test SOW Statement of Work SP3 Security Protocol 3 (Network Layer) SP4 Security Protocol 4 (Transport Layer) SPWG Security Policy Working Group SRD Site Routing Domain. A "local" physical area over which routing occurs. (ie. base, CGC, etc.) SS Spread Spectrum SSA Solid State Amplifier SSAMPS "Super" SAMPS: An automatic message processing system. SSIX Submarine Satellite Information Exchange System SSMA Spread Spectrum Multiple Access SSR-1 Receive Only terminal for Fleet Broadcast STU-III Secure Telephone Unit (3rd Generation) The newest generation of secure telephone for landline. (Replaced the KY-71 STU-II) SVC Secure Voice Conferencing SVN Secure Voice Network, for ship to ship or ship to shore communications over HF Radio using ANDVT. SWS Standard Work Station T1 Digital multiplexed carrier system provided by long distance carriers for voice or data transmission that will handle up to 24 - 64Kb voice channels or 1.544 Mbps of unchannelized data. Equal to CCITT designation DS1. (T1 = 64Kb x 24 DS0's = 1.536 Mbs + (8K overhead) = 1.544 Mbs = 1 DS1 T3 AT&T standard for dialed-up or leased line circuits. Digital multiplexed carrier system that will handle up to 28 T-1's, 45 Mbps (44.736Mbps) of data. Equal to CCITT designation DS3. TAC Terminal Access Controller or Tactical Application Computer TACSAT Tactical Satellite TAIS Target Architechture & Implementation Strategy TBD "T" Budget Database TCC Telecommunications Center or Transportable Communications Center TCF Technical Control Facility TDM Time Division Multiplexing (fixed bandwidth) TDMA Time Division Multiple Access Technology Insetion The process of upgrading or adding new technology in a piece meal manner. TEMP Test and Evaluation Master Plan Terrestrial WAN A landbased data network that covers a large geographic area. TH Time Hopping Thrane & Thrane The manufacturer of the SITOR modem used by the Coast Guard CAMS/COMMSTAs. Sometimes called TRONTRON's. TISCOM USCG Telecommunications & Information Systems Command, Alexandria, VA TOPOLOGY A geometric or physical configuration of a communications network. TR Trouble Report TRANSEC Transmission Security TRD Transit Routing Domain: A facility that connects site routing domains through other transit routing domains. TREE Transient Radiation Effects on Electronics Trunk Facility between customer premise and LEC CO, and between carrier CO's. TS Top Secret TTNR Test Tone to Noise Ratio TTY Teletype TX Transmitter Type I crypto item that secures classified or unclassified sensitive data Type II crypto item that protects sensitive but unclassified info only Type 2 a standard PCMCIA interface U Unclassified UA User Agent (DMS) UCT Unstructured Circuit Transport - transfer of bits at a constant rate between two points UET Unattended Earth Terminal UHF Ultra-High Frequency (300-3000 MHZ) UMS Universal Modem System UNI User to Network Interface UPS Uninterupptable Power Supply User Pull A concept where data is retrieved by a user. (Opposite of Producer Push.) VAN Value Added Network - A packetl-switched network that offers high reliability and such services as protocol conversion and data buffering. VFCT Voice-Frequency Carrier Telegraph, a composite tone pack of up to 16 different data signals in a 3000Hz voice channel. VGPL Voice Grade Private Line (analog) VHF Very-High Frequency (30-300 MHZ) VHSIC Very High Speed Integrated Circuit Video Conferencing Using high spped data communications to establish two-way television. VLF Very Low Frequency VLSI Very Large Scale Integration VOBRA VOice BRoadcast Automation VSAT Very Small Aperture Terminal W Watt WAIS Wide Area Information Server WAN Wide Area Network WATS Wide Area Telephone Service WB Wide Band WBAM Wide Band Amplitude Modulation WBFM Wide Band Frequency Modulation WBS Work Breakdown Structure WESTAR Western Union Satellite WHCA White House Communications Agency WORM Write Once, Read Many WS Workstation WSA Workstation Security Applique (aka: Applique) - converts COTS workstations into "trusted" devices. Consists of a "WSP" and Security Monitor software. WSP Workstation Security Package (similar to MOSAIC but uses NSA "Type I" crypto algorithm) provides security services for classified information. Uses a PCMCIA card called "CP" (see CP). WWABNCP World Wide AirBorne Command Post WWMCCS World Wide Military Command & Control System X-band Frequency Band from 5200 MHz to 10,900 MHz X.25 A CCITT standard - A data packet format used to pass relatively low speed data through communications networks. Error checking/ARQ is performed at each node in the network. X.121 CCITT terminal addressing scheme X.400 CCITT/ISO Message Handling System (MHS) standard X.500 CCITT/ISO Directory Service Standard "Z" Signals Operating signals on Military communications circuits. ZNI1 A Secure TTY position. ZNI2 A unclas TTY position. ZYB An administrative message. The ZYB is put after the date time group. - glossary list created by USCG Telecommunication and Information Systems Command, Alexandria VA.