Free Notice (Other) - District Court of Federal Claims - federal

Case 1:02-cv-00796-FMA

Document 46-20

Filed 03/18/2005

Page 1 of 19

NAVY

REGIONAL

CONTRACTING

CENTER

N00600-94-C-0389

CIRCUIT PARAMETER TEST DATA-ANALOG

tEST

~1

d~rnCO ~81 dBJ

-~

,~z

dB 1004HZ HZ NZ HZ HZ

Figure Circuit Parameter Test Data

H-4. - Analog (DD-1697) (Front)

ATTACHMENT

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NAVY

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CONTRACTING

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A

II

DO Form 1697 Reverse.

FEB 89

Figure Circuit Parameter Test Data

H-5. (DD Form 1697) (Reverse)

- Analog

ATTACH~4ENT

9

H-5

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NAVY

REGIONAL

CONTRACTING

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N00600-94-C-0389

CIRCUIT PARAMETER TEST DATA- DIGITAL

TEST

Mi~

%

%

~ £1i~

,,

Figure Circuit Parameter Test

H-6. (DD Form 1697-1)

- Digital

ATTACHMENT9

H-b

Case 1:02-cv-00796-FMA

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NAVY

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N00600-94-C-0389

MASTER

STATION

LOG

Figure Master Station

~-7. (DD Form 1753)

Log

ATTACHMENT

9

H-7

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NAVY

REGIONAL

CONTRACTING

CENTER NTS AS-OCCURRING shore of reports SITREP used within or

N00600-94-C-0389

i.

As-occurring real-time weather

SITREPs

are

the

NTS as

to well as

provide inclement

reporting conditions SITREPS are

outages/problems threaten in the to

changes area

which

impair

communications.

submitted

following

format:

SITREP (NUMBER)

(I)

/ (TIME

(2) OF FILE)

(31 (STATION)

l

(4)

I

(5)

I

(6)

(SUBJECT)

(OUT TIME) (IN TIME)

RFO

(7)

IRMKS (8) II

2.

The

spaces The

between words for

the below

slash the

marks data

are

called and here the and

"data

fields" in to be as

or

"fields". parentheses transmitted. marks. The

fields

numbers are as not

are All

information words each of is but are

purposes to be

other in

transmitted fields per se

well to

the

slash

numbers below. in each

the no

data

correspond to the number

specific of

instructions characters whenever

There field, All

limit

common are

abbreviations If

should

be

used is not

Dossible. enter Data

times in that

ZULU.

a specific

field

applicable, 3. SITREP (I)

"NA"

space.

Field the

instructions: "SITREP" followed by the SITREP number. SITREPs

Enter

word

ATTACHMENT

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NAVY will month.

REGIONAL be

CONTRACTING starting

CENTER with 001 on the first day by

N00600-94-C-0389 of each suffix on the will

numbered

Amplifying number, e.g.,

SITREPs "SITREP e.g., Time

will

be designated The 001 the final through time

a letter in

SITREP be the

001A". "SITREP Group for

SITREP 999. of file

a series (2)

designated complete (3) (4) Enter Enter

as such, ZULU the the Date

Enter SITREP.

of

the

affected subject or

communication of the SITREP. involved. other

facility. Usually In the subject the will subject

equipment might

nomenclature weather actual

system some of

other

cases,

be a fire, (5) Enter. or Enter If

or

significant of the

incident. equipment or system

time time

occurrence

failure,d (6) described. field

beginning the the

of the time

incident. of the equipment to service, or or system if this data

actual system

"up" is

not

restored

is not (7) Enter yet using

applicable, the letters

enter "RFO" for

"NA". (Reason outage, and for Outage) followed for is operator not

complete, errors,

brief, common

reason

including acronyms.

specifics If an RFO

abbreviations

applicable, (8)

enter the

"NA". abbreviation the subject. "RMKS" followed by brief amplifying

Enter

information 4. SITREP DE NNI

about examples:

STEL BT

SITREP NCTAMS

121/151530Z MED/FSC-III

DEC

92/

CUDIXS/151500Z/

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NAV~ RFO:

REGIONAL STEADY

CONTRACTING CARRIER/RMKS CAT I/II TFC

CENTER CUDIXS FOR FSC-III CHNL 9. TWO FLT

N00600-9~-C-0389 ADVISORIES BCST, CAT

TRANSMITTED, III/IV BT TFC

SPECIAL

SIDS

ALTROUTED

TO MMCC

PLACED

ON HOLD//

STEL BT

DE NPN

SITREP NCTAMS RFO:

133FINAL/151730Z WESTPAC/FSC-II

DEC

92/

CUDIXS/151500Z/151615Z/ IN-CORRECT CAT PLACED I/II ON SWITCH TRF HOLD FOR POSITION SPECIAL IN ON-143 SIDS AFTER TO GMCC

PERSONNEL OF

ERROR, PMS/RMKS TFC

COMPLETION BCST, BT CAT

ALTROUTED

Ill/IV

DURING

OUTAGE//

STEL BT SITREP NCTAMS RFO: EXPECT BT

DE NAM

085A/151800Z LA/~T/HURRICANE NA/RMKS TO NCTAMS COND

DEC

92/ COND 2/151748Z/NA/ COND 2 DUE AMP TO PROXIMITY TO FOL// OF HURRICANE ANDREW,

LANT

IN

ENTER

1 AT 160100Z,

INFO

ATTACHMENT

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Attach

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EEl 30-PL-OM!-020/W142-UHFSA~M APPENDIX 5-2.2.5.7 CLCU 0N-143 (V) 7/USQ. a. Terrain, el corn.position. use are tabulated in Table 5-7. The CLCU terminal com.mDnents and their K

Table

5-7.

CLCU

Terminal

Composition

Component CLCU operating program (in firmware) group

Us e Provides computer instructions.

Computer/interconnect (ON-143(V)7/USQ)

Regulates flow across the ship satellite terminal. Provides satellite link control, automatic crypto synchronization,.and store and forward of incoming and outgoing message data. Provides man/machine the terminal, In backup messages. In backup messages. mode, interface for

Teletype

(Model 28 KSR)

Medium speed teleprinter (~-624(V)/UG) Perforated tape reader/punch (RD-397(V)/U)

prints

incoming

mode,

inputs

and outputs

b. Fu/Ictional Overview. The CLCU provides NAVMACS-Iike CUDIXS ne~ membership to CVN MPDS and LHA CDPS equipped ships. CLCU equipped ships will normally be CUDIXS special subscribers. The CLCU maintains message number continuity and provides system reports/logs. Normal Operation. Once activated, maintained via MPDS or CDPS. (The only to place the CLCU The CLCU passes message control of the control teletype CLCU is is used

in backup mode and to print a log.) data to and from MPDS or CDPS.

(2)

Bac~kup Mode Operation. The control teletype is the active control device. Messages are output to the teleprinter and/or perforated tape punch; message input is from the perforated tape reader.

5-2.3 TACTICAL INTELLIGENCE (TACINTEL) SUBSYSTEM. (See F0-23.) TACINTEL subsystem provides Special Intelligence communications.. It is essentially a computerized message processing system that makes it possible to transmit and receive message traffic via satellite in a controlled environment. The link control protocol for TACINTEL is similar to that of CUDIXS/ NAVMACS. The TACINTEL transitic~l to DAMA will be on an ocean ares basis with all ships operating on a DAMA satellite channel. Fallback operation will be on a non-DAMA satellite channel. A non-DAMA TACINTEL net occupies I 25-kHz satellite channel. A DAMA TACINTEL net will be multiplexed with other subsystems onto ~ 25-kHz satellite channel. AMENDMENT 0007 K- 1

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EEl 30-PL-OMI-020/W 142-UHFSATCOM

5-2.3.1 Shore User Terminal. The shore user terminal is the AN/USQ-64(V)6 and its interconnect group. Terminal redundancy allows the shore station to operate more than one TACINTEL net in its ocean area, provide backup or take overflow fr'om an adjacent ocean area, or provide backup for its own equipment in case of failure. 5-2.3.1.1 Interconnect Group. The TACINTEL interconnect group is comprised of an ON-~43(V)4/USQ and a TSEC/KG-36 (or TSEC/KG-35) cryptographic key generator. The IG regulates the flow of the cryptographically protected data signal across the satellite terminal. The ON-143(V)4/USQ deals with TACINTEL link timing in either a DAMA or nen-DAMA environment. The IG passes encrypted data to and from the satellite terminal radio group" in non-DAMA operation and to and from the DAMA group in DAMA operation. It passes decrypted/tunencrYlgted (plain text) data and control signals to and from the TACINTEL processor° 5-2.3.1.2 TACINTEL AN/USQ-64(V)6. TACINTEL terminal components

a. Terminal Composition. The shore and their use are tabulated in Table 5-8.

Table

5-8. TACINTEL

Shore

Terminal

Composition

Component TACINTEL Computer operating program

Use Provides Executes computer instructions. program°

(AN/UYK-20(V))

the operating

Magnetic disk recorder/reproducer with four single-platter disk cartridge drives (AN/USH-23(V)) Reel-to-reel magnetic tape recorder with ~wo drives (AN/USH-22(V)) Perforated tape reader/punch (KD-397(V)/U) Video display terminal (IP-~I87A/USQ-64) Medium speed teleprinter (TT-624(V}/UG) Switching or patching equipment

Holds messages and loads the TACINTEL operating program and utilities°

Loads operating program (if required); shared among TACINTEL suites. Inputs and outputs quired). Provides man/machine the terminal. messages (if re-

interface

for

Prints system management information and (if required) messages. Reconfigures terminal equipment.

b. Functional Overview. TACINTEL message processing functions are classified. For a detailed functional overview, refer to the AN/USQ-64(V)6 system manual listed in Table 1-19. 5-2.3.2 Shore Satellite Terminal. some configuration of the AN/WSC-5(V) AMENDMENT 0007 The TACINTEL or AN/WSC-3. shore satellite terminal is

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5-2.3.2.1 DAMA Grou~. ~ne functiona± D~4A group !s t~e TD-1271B/U multiplexer. The TD-1271B/U time division multiplexes ~he TACINTEL siqnal into a composite signal and demultiplexes a c~mposite signal into separate signals. The composite signal may contain multiple discrete signals. This equipment also PSK modulates/demodulates an IF signal. A multiplexed, modulated IF is passed to and from the radio group. The demodulated, demultiplexed signals are passed along ~heir respective routes; in TACINTEL, ~he signal goes to the user terminal interconnect group. 5-2.3.2.2 Radio Group. ~--ne radio ified AN/WSC-3) or the AN/WSC-5(V). group is either ~he A~/WSC-3 (or DAMA mod-

a. ~/WSC-3. ~;h.e AN/WSC-3 UHF transceiver may be configured as non-DAMA, DAMA with one radio or DAMA with two radios. The radio must be modified for DAMA operation. The TD-1271B/U may operate half duplex (one radio) only with the AN/WSC-3A. With two radios, the TD-1271B/U operates full duplex; one radio transmits and the other receives, even ~ough ~he end result is a half duplex application. In non-DAMA operarion the radio receives digital data input from the user terminal and modulates the signal, in DAMA operation the radio receives a multiplexed/modulated composite I~ signal from the DAMA group. The radio amplifies the signal and passes an up-converted UH~ signal to the antenna. Conversely, ~he signal received from the antenna is amplified, down-converted to an IF and passed to the D~MA group or demodulated and passed as digital data to the user terminal. b. AN/WSC-5(V). This UHF transceiver may be the same used for other subsystems. One of the eight channels supported is a TACINTEL network, DAMA or non-DAMA. Non-DAMA TACINTEL requires an OM-43A/USC. The modem PSK modulates outgoing signals received from the user terminal and passes an IF signal to the radio. For incoming signals the modem PSK demodulates the IF signal and passes digital data to the interconnect group. In D~MA operation PSK modulating/demodulating as well as multiplexing/demultiplexing is performed by the DAMA group and an IF signal is passed between the D~MA group and the radio. The radio converts ~he transmit IF to RF and the receive R~ to IF; amplifies the signal power to appropriate transmit or receive levels; and passes RF signals to and from the antenna group. 5-2.3.2.3 Antenna Grou~. With the AN/WSC-5(V), the antenna group is the hybrid AN/WSC-5(V) antenna, its combiner group, preamplifier-splitter and diplexer. The combiner group combines up to eight transmit U-HF signals. The preamplifier-splitter amplifies and separates the receive UHF signals onto separate lines. Coupling/decoupling by the diplexer makes possible simultaneous transmission and reception of signals on the same antenna transmission line. With the AN/WSC-3, the antenna group may be a .h~9NP, Andrew series, TACO H-084 or TACO H-124 tailored to the site. These antennas provide the function of radiating and/or capturing uplink/downlink signals. 5-2.3.3 Satellite. The UHF uplink signal is received, translated and radiated as the downlink. The downlink is than the uplink frequency on FLTSATCOM/LEASAT satellites FILLER. Satellite channels are designated for TACINTEL non-DAMA operation by policy and designations could change amplified, frequency offset 41 MHz lower and 53.2 MHz on GAPuse and for DAMA or on short notice.

AMENDMENT 0007

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EE~ 30-PL-OMI-020/W142-UHFSATCOM

5-2.3.4 Ship Satellite Terminal. The TACINTEL ship satellite terminal is either a DAMA or non-DAMA terminal depending on the physical installation. DAMA suites can fall back to non-DAMA operation. The TACINT~L network operates half duplex; however, the DAMA suite radio configuration may be full duplex. 5-2.3.4.1 Antenna Group. The antenna group is the OE-82B~SC-I(V) or OE82C/WSC-I(V). It consists of an antenna control unit, RF switching unit, amplifier-filter(s) and one or two co-operating antennas on the ship superstructure. The antenna group combines or separates the transmit and receive signals and provides signal gain with a preamplifier and by the inherent design. The ship's gyrm provides signals to the control unit for azimuth tracking once the antenna(s) are initially pointed at the satellite (elevation controlled manually). The antenna(s) are installed so that at any time, view of the satellite is unobstructed by the ship superstructure. The antenna group may also be used for other UHF SATCOM applications. 5-2.3.4.2 Radio Group. The shipboard radio group is some version of the AN/ WSC-3. The radio must be modified for DAMA operation. The radio group may be configured as non-DAMA, DA~£A with one radio, or DAMu~ with two radios. The TD-127~B/U may operate half duplex (one radio) only with the AN/WSC-3Ao With two radios, the TD-1271B/U operates full duplex; one radio transmits and the other receives, even though the end result is a half duplex application. In non- DAMA operation the radio receives digital data from the user terminal and modulates the signal. In DAMA operation the radio receives a multiplexed/ modulated composite IF signal from the DAMA group. The radio amplifies the signal and passes an up-converted UHF signal to the antenna. Conversely, the signal received from the antenna is amplified, down-converted to an IF and passed to the DAMA group or demodulated and,passed as digital data to the user terminal. 5-2.3.4.3 DAMA Group. The functional DAMA group is the TD-127~B/U multiplexer. The TD-~271B/U can operate with a half or full duplex radio configuration. A half duplex configuration allows for operation of a maximum of three circuits (due to transmit/receive time slot contention), a full duplex up four. The shipboard DAM2% group performs the same functions as the shore DAMA group. It PSK demodulates and time division demultiplexes an IF signal received from the radio group and passes the separate digital signals along their respective routes. It time division multiplexes and PSK modulates digital date signals received from user terminals and passes a composite IF signal to the radio group. 5-2.3.5 Ship User Terminal. and its interconnect group. The ship user terminal is the AN/USQ-64(V)5

5-2.3.5.~ Interconnect Group. The TACINTEL interconnect group is an ON-~ 43 (V)4/USQ and a TSEC/KG-36 cryptographic key generator. Like ashore, the regulates the 'signal flow of the cryptographically protected data signal across the satellite terminal. The IG passes encrypted data to and fro~ the radio group in n0n-DAMA operation and to and from the DAMA group in DAMA operation. It passes decrypted/unencrypted (plain text) data and control signals to and from the TACINTEL processor. As ashore, the ON-~43(V)4/USQ deals with link timing in a non-DAMA or DAMA environment. 5-2.3.5,2 TACINTEL AN/USQ-64(V}5o K- 4

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a. Termlnai Com.~osition. qfhe ship TACINTEL user (subscr=ber) minal components and thelr use are tabulated in Table 5-9.

ter-

Table 5-9.

TACINTEL

Ship Terminal

Composition

Component TACINTEL Computer Magnetic operating program

Use Provides Executes computer instructions. program.

(AN/UYK-20(V)) disk unit (RD-433/SSH)

~he operating

Stores and loads the operating program(s) and stores shor~ term, on-line message data. Stores initialization data, alternate route messages and long term, off-line message data. Provides man/machine interface for terminal control. Provides the capability to compose and edit messages; display incoming messages; retrieve messages from storage; and enter outgoing messages fcr transmission. Inputs messages for transmission and outputs messages as specified; backs up the magnetic tape reader for program loading. Prints messages, statistics. logs, reports and

Cartridge magnetic tape recorder/ reproducer (AN/USH-26(V))

Keyboard video data terminal (AN/USQ-69(V))

Perforated tape reader/punch (RD-397(V)/U)

Medium speed teleprinter (TT-624(V)/UG) Four teleprinters (Model 28 RO) (Two are considered "external circuits") Two teletypes (Model 28 ASR) (One is considered an "external circuit")

Provides local and remote output of messages, broadcast monitor and repo'rts. Backs up the TT-624(V)/UG. Provides local and remote input and output of messages, broadcast headings and logs. Backs up the PHD-397(V)/U and the TT-624(V)/UG.

bo Functional Overview. The TACINTEL user terminal provides NAVMACS-like functions to those ships with Special Intelligence communication requirements. Unlike NAVMACS, TACINTEL also permits direct communications among net members. TACINTEL interfaces up to two fleet broadcast channels and provides for local and remote message input and output. TACINTEL maintains message number continuity and provides system reports and logs. A more specific functional description can be found in the TACINTEL AN/USQ-64(V)5 system manual listed in Table I-I 9. AMENDMENT 0007

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EE130-PL-OMI-020/W142-UHFSATCOM

5-2.4 FLEET SATELLITE NARROWBAND SECURE VOICE (FLTSAT NBSV) SUBSYSTEM. (See F0-24.) Primarily, FLTSAT NBSV enables, via satellite relay, the transmission of ship-to-ship, ship-to-shore and shore-to-ship secure voice communication. ~econdarily, it provides ship-to-shore and shore-to-ship secure voice communications beyond the immediate area of the NAVCAMS/NAVCOMMSTA by means of an Automatic Secure Voice Communication System (AUTOSEVOCOM) extension. FLTSAT NBSV transmits and/or receives secure voice communications via a half duplex, push-to-talk satellite li~k. FLTSAT NBSV employs digitized voice at 2,400 bps. FLTSAT NBSV has dedicated 25-kHz satellite channels on the GAPFILLER and FLTSATCOM satellites. Dedicated DAMA time slots are planned for future operation on FLTSATCOM and LEASAT eatellites. The FLTSAT NBSV transition to DAMA will be on a per ship basis. During FLTSAT NBSV transition to DAMA, both DAMA and non-DAMA equipped ships will be able to communicate in a "merged net." Merged net operation is accc~plished using a digital sharing device (DSD) in the shore satellite terminal. 5-2.4.1 Shore User Terminal. Each NAVCAMS, NAVCOMMSTA Stockton and some ether stations with special needs have FLTSAT NBSV terminals installed. Installations consist of interconnect group(e), CV-3333/U audio-digital converter(s) and a secure voice switching console or patching equipment. These facilities allow various users and the command structure, from the National Command Authority down, to have direct voice communications with ships at sea. 5-2.4.1.1 Interconnect Group. The FLTSAT NBSV interconnect group is comprised of an ON-143(V}4/USQ or ON-143(V)6/USQ and a TSEC/KG-34, 35 Or 36 cryptographic key generator. The iG regulates the flow of the cryptographically protected date signal across the satellite terminal. The ON-~43(V)4/USQ and ON-143(V)6/USQ deal with FLTSAT NBSV link timing in a DAMA or non-DAMA environment. In non-DAMA operation, the IG passes encrypted data to and from the radio group. In merged net operation it passes encrypted data to and from the DSD and in strict DAMA operation directly to and from the DAMA group. It passes decrypted/unencrypted data and control signals t~ and from a CV-3333/U audio-digital converter. The ON-143(V)4/USQ and ON-143(V)6/USQ also provide a~dio-signaling such as dial tene, busy tone and push-to-talk (PTT) tone. 5-2.4.1.2 Audio-Digital Converter. The CV-3333/U is an audio-digital converter also referred to as a vocoder or voice digitizer. This unit converts analog (voice) to a digital data stream and a digital data stream to analog {voice). The CV-3333/U operates at 2,400 bps and is classed narrowband. The CV-3333/U interfaces with the shore satellite terminal via an interconnect group. When interfacing AUTOSEVOCOM the TSEC/HY-2 channel vocoder or TSEC/ KY-3 pulse code modulator redigitizes voice over narrowband or wideband AUTOSEVOCOM, respectively. 5-2.4.1.3 Shore Secure Voice Distribution. The secure voice control console and the secure voice operator are central to voice intereonnections. The secure voice console has the capability to control up to four FLTSAT NBSV satellite channels simultaneously. If a channel is idle, ship-to-ship voice communications are possible without going through the secure voice operator. Many ships, however, will not monitor/guard all channels continuously. To establish another FLTSAT h'~V communications link, the ship will normally contact the secure voice operator (via FLTSAT NBSV or CUDIXS/NAVMACS) and request connection with a ship or station., The secure voice operator will

AMENDMENT 0007

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C~RACTING

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then notify the intended recipient (via FLTSAT NBSV, AUTOSEVOCOM NAVMACS) to arrange a suitable time and channel for communications two parties.

or CUDIXS/ between the

5-2.4.2 Shore Satellite Terminal. The FLTSAT NBSV shore satellite terminal is some configuration of the AN/WSC-5(V) or AN/WSC-3. A special DSD will installed at designated terminals to allow merged net operation during transition to DAMA. 5-2.4.2.1 DAMA Grou~. The functional D~A group is the TD-1271B/U multiplexer. The TD-127~B/U time division multiplexes the FLTSAT NBSV signal into a composite signal and demultiplexes a composite signal into separate signals. The composite signal may contain multiple discrete signals. This equipment also PSK modulates/demodulates an IF signal. A multiplexed, modulated IF is passed to and from the radio group. The demodulated, demultiplexed signals are passed along their respective routes; in FLTSAT NBSV, the signal goes to the user terminal interconnect group. 5-2.4.2.2 Radio Group. The radio group ified AN/WSC-3) or the AN/WSC-5(V). is either the AN/WSC-3 (or DAMA mod-

a. ~/WSC-3. The AN/WSC-3 UHF transceiver may be configured as non-DAMA, DAMA with one radio or DAMA with two radios. The radio must be modified for DAMA operation. The TD-1271B/U may operate half duplex (one radio) only with the AN/WSC-3A. With two radios, the TD-1~71B/U operates full duplex; one radio transmits and the other receives, even though the end result is a half duplex application. In non-DAMA operation the radio receives digital data input from the user terminal and modulates the signal. In DAMA operation the radio receives a multiplexed/modulated composite IF signal from the DAMA group. The radio amplifies the signal and passes an up-converted UHF signal to the antenna. Conversely, the signal received from the antenna is amplified, down-converted to an IF and passed to the DAMA group or demodulated and passed as digital data to the user terminal. b. AN/WSC-5(V). This UHF transceiver may be the same used for other subsystems. One of the eight channels supported is a FLTSAT NBSV network, DAMA or non-DAMA. Non-DAMA FLTSAT NBSV requires an OM-43A/USC. The modem PSK modulates outgoing signals received from the user terminal and passes an IF signal to the radio. For incoming signals the modem PSK demodulates the IF signal and passes digital data to the interconnect group. In DAMA operation PSK modulating/demodulating as well as multiplexing/demultiplexing is performed by the DAMA group and an IF signal is passed between the DAMA group and the radio. The radio converts the transmit IF to RF and the receive ~F to IF; amplifies 'the signal power to appropriate transmit or receive levels; and passes RF signals to and from the antenna group. 5-2.4.2.3 Antenna Group. With the AN/WSC-5(V), the antenna group is the hybrid AN/WSC-5(V) antenna, its combiner group, preamplifier-splitter and diplexer. The combiner group combines up to eight transmit UHF signals. The preamplifier-splitter amplifies and separates the receive UHF signals onto separate lines. Coupling/decouplinq by the diplexer makes possible simultaneous transmission and reception of signals on the same antenna transmission line. With the AN/WSC-3, the "antenna group may be a HR9NP, Andrew series, TACO H-084 or TACO H-124 tailored to the site. These antennas provide the function of radiating and/or capturing uplink/downlink-signals. AMENDMENT 0007 K- 7

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42~UHFSATCOM

EE~ 30-PL-OMI-020/WI

5-2.4.3

Satellite.

The UHF uplink

signal

is received,

amplified,

frequency

translated and radiated as the downlink, The than the uplink frequency on FLTSATCOM/LEASAT FILLER. S~tellite channels are designated for non-DAMA operation by policy and designations

downlink is offset 41 MHz lower satellites and 53.2 MHz on GAPFLTSAT NBSV use and for DAMA or could change on short notice.

5-2.4.4 Ship Satellite Terminal. The FLTSAT NBSV ship satellite terminal is either a DAMA or non-DAMA terminal depending on the physical installation. DAMA suites can fall back to non-DAMA operation. FLTSAT NBSV operates half duplex; however, ~he DAMA suite radio configuration may be full duplex. Small ships that have only one radio may have to time share their radio assets with other subsystems. 5-2.4.4.1 Antenna Group. The antenna group is the OE-82B/WSC-I (V) or OE82C/WSC-I(V). It consists of an antenna control uni~, .RF switching unit, amplifier-filter(s) and one or two co-operating antennas on the ship superstructure. The antenna group combines or separates the transmit and receive signals and provides signal gain with a preamplifier and by the inherent design. The ship's gyro provides signals to the control unit for azimuth tracking once the antenna(s) are initially pointed at the satellite (elevation is controlled manually). The antenna(s) are installed so that at any time, view of the satellite is unobstructed by the ship superstructure. The antenna group may also be used for other UHF SATCOM applications. 5-2.4.4°2 Radio Group. The shipboard radio group is some version of the AN/ WSC-3. The radio must be modified for ~AMA operation. The radio group may be configured as non-DAMA, DAMA with one radio, or DAMA with two radios. The TD-1271B/U may operate half duplex (one radio) only with the AN/WSC-3A. With two radios, the TD-1271B/U operates full duplex even though the end application is half duplex. In non-DAMA operation the radio receives digital data from the user terminal and modulates the signal. In DAMA operation the radio receives a multiplexed/modulated composite IF signal from the DAMA group. The radio amplifies the signal and passes an up-converted UHF signal to the antenna. Conversely, the signal received from the antenna is amplified, downconverted to an IF and passed to the DAMA group or demodulated and passed as digital date to the user terminal. 5-2.4,4.3 DAMA Group. The functional DAMA group is the TD-1271B/U multiplexer. The TD-1271B/U can operate with either a half duplex or full duplex radio configuration. A half duplex configuration allows for operation of a maximum of three circuits (due to transmit/receive time slot contention), full duplex up to four. The shipboard DAMA group performs the same functions as the shore DAMA group. It PSK demodulates and time division demultiplexes an IF signal received from the radio group and passes the separate signals along their respective routes. It multiplexes and PSK modulates a digital data signal received from the user terminal and passes a composite IF signal to the radio group. 5-2.4,5 Ship User Terminal. Nearly all ships in the Navy have FLTSAT NBSV installed. The suite consists of an interconnect group, a CV-3333/U audiodigital converter, remote handsets and patching or switching equipment for routing the secure audio signals throughout the ship. 5-2.4.5.1 Interconnect Group. The shipboard interconnect NBSV is an ON-~43(V)4/U~Q, ON-~43(V)6/USQ or ON-143(V)9/USQ AMENDMENT 0007 group for FLTSAT and a TSEC/KG-36 K- 8

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cryptographio key generator. Like ashore, Lhe IG regulates ~he flow of the cryptographically protected data signal across the satellite terminal. The IG passes encrypted data to and from the radio group in non-DAMA opera~ion and to and from the DAMA group in DAMA opera~ion. It passes unencrypted/decrypted data and control signals to and from a CV-3333/U audio-digital converter, These interconnect group equipments will deal with link timing in a DAMA or non-DAMA environment and also provide signaling, such as dial tone, busy tone and PTT tone. 5-2.4.5.2 Audio-Digital Converter. The CV-3333/U audio-digital converter, also referred to as a vocoder or voice digitizer, converts analog (voice) to digital data stream and converts a digital data steam to analog (voice). The CV-3333/U provides voice digitizing at 2,400 bps. It interfaces with the interconnect group on one side a~d a secure telephone on the other. 5-2.4.5.3 Ship Secure Voice Distribution. Decrypted audio signals may be distributed via a C-7594/U remote switching control or a single audio system (SAS). These patching/switching equipments provide for remoKe input/output the FLTSAT NBSV subsystem~ 5-2.5 OFFICER IN TACTICAL COMMAND INFORMATION EXCHANGE SUBSYSTEM (OTCIXS). (See F0-25.) OTCIXS provides a two-way satellite link to suppor~ over-the-horizon (OTH) communication for battle group command and control and tactical targeting. OTCIXS handles both teletypewriter record traffic and tactioal data processor (TDP) formatted data. The transmissions are automatically controlled and timeshared on the same OTCIXS satellite channel. The teletypewriter is used to pass tactical command and control information; and" the TDP capability is used to exchange surveillance and targeting information primarily among ships a~d submazines within a battle group. Since more than one battle group may be operating on the same OTCIXS channel, information could be paesed between battle g~oups. Until the Tactical Data Information Exchange Subsystem (TADIXS) is implemented on a separate satellite channel (see paragraph 5-2.6), 0TCIXS will handle TADIXS and OTCIXS functions. Two types of shore sites will participate in OTCIXS: Fleet Ocean Surveillance Information Centers (FOSICs) or Facilities (FOSIFs) and ~ubmarine Operation Authority (SUBOPAUTH) Shore Targeting Terminals (STTs). The FOSICs/FOSIFs will have a receive-only capability. They receive surveillance information from afloat TDP systems for track generation and correlation purposes. The STTs will have a two-way teletypewriter capability for coordination with the battle group. OTCIXS will support the following TADIXS shore sites: FOSICs/ FOSIFs, STTs, and Mission Planning Centers (MPCs). These shore sites will broadcast TDP OTH-targeting (OT~-T) data (TADIXS data) o~er OTCIXS to battle group TDP systems. On each of the 4 FLTSATCOM and/or LEASAT satellites, 1 25-kHz satellite channel has been allocated for OTC mode transmissions. DAMA implementation of C/£C~XS is. currently under review. Among the SATCOM subsystems, this subsystem is unique in that the equipment provides three different modes of operation: a. OTC Mode. transmissions or data-link The link control communications. design enables teletype message

b. Secure Voice Mode. All 0TCIXS installations have the facility to select one of two FLTSAT NBSV channels. Only one channel may be selected at a given time. K- 9

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c. SSIXS Mode. Surface ships and shore installations will not normally have the Submarine Exchange Subsystem (SSIXS) mode available for use.

stations having OTCIXS Satellite Information

5-2.5.1 Shore User Terminal. The shore user terminal is the AN/USQ-64(V)7, which includes its ON-143(V)6/USQ interconnect group, and a TSEC/KG-36 cryptographic key generator or TSEC/KG-84 general purpose encryption equipment. The OTCIXS interconnect group provides automatic crypto synchronization, store and forward of data and control of the OTClXS satellite link. The C-11430/USQ control-indicator may be mounted on the 0N-143 (V)6/USQ front panel but normally remotely mounted. a. Terminal Composition. The OTCIXS AN/USQ-64(V)7 and their use are tabulated in Table 5-10. shore terminal

components

Table 5-10.

C~fCIXS

Terminal

Composition

Component OT~IXS operating (in firmware) program

Use Provides computer instructions.

Computer/interconnect group (ON-143(V)6/USQ, including C-11430/USQ control-indicator)

Regulates flow across the shore satellite terminal; provides satellite link control, automatic crypto synchronization, and store and forward of incoming and outgoing teletype and TDP traffic. Inputs and outputs messages.

Various teletype equipment (Model 28 or equivalent) Various TDF systems

(P/O TADIXS Audio-digital converter (CV-3333/U, P/O FLTSAT NBSV)

Provides cessing.

automated

tactical

data pro-

Provides for operation NBSV network.

in a FLTSAT

b. Functional Overview. This functional overview applies to the OTC mode only. Secure voice mode is the same as that discussed in paragraph 5-2.4; SSIXS mode is not used by surface units. Network Timing. Network operation is based on a time cycle which varies in length. Crucial to successfu~ network operation is the time synchronization of all net member terminals. Net subscribers are organized into up to 10 groups of up to 9 members each but with a maximum net membership of 60 simultaneous subscribers. The current net operating speed is 2,400 bps.

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~etwork Control. Any subscriber has ~he capability to operate as a Net Control Station. The NCS controls the net and provides subscriber access to the net. Network control is in±tiated by ~-he NCS transmitting a net control block which contains the network operating mode and precedence level. Time is provided in the cycle for subscriber access requests ; these time periods are designated Priority Request Time Slots (PRTS) and General Access Time Slots (GATS). PRTS are used to request transmission flash message traffic and GATS are used to request transmission of immediate message traffic. (3) Network Operation. The link control discipline has three modes of operation: idle, teletypewriter, and data link. In each of these modes r/he net control blocK, the sub~criber access ~-ime periods and subscriber transmission time periods will be embedded wlthin the net cycle, with the OTCIXS idle, rlne subscriber Y/nat is first to transmit a net request (PRTS or GATS) will be automatically designated by the NCS to transmit its data. This data is transmitted three times; the sequence consists of a net control block transmission and the subscriber data transmissicn. Each of t~e --hree identical transmissions received are checked for accuracy and a composite message is formed by selecting the most accurate of each transmission received. OTCIXS does not empiey ARQ. Also, a net-control query is not transmitted by the NCS to determine if the subscribers have data to transmit. AS a result, a network subscriber can receive traffic while in EMCON status.

5-2.5.2 Shore Satellite Terminal. The OTCIXS shore satellite terminal is some configuration of the AN/WSC-5(V) or AN/WSC-3. Shore terminals may employ a DSD to allow two or more shore sites to share a common transceiver. 5-2.5.2.1 DAMA Grou~. If used, the functional DAMA group is ~he TD-1271B/U multiplexer. The TD-1271B/U time division multiplexes the OTCIXS signal into a composite signal and demultiplexes a composite signal into separate signals. The composite signal may contain multiple discrete signals. This equipment also PSK modulates/demodulates an IF signal. A multiplexed, modulated IF is passed to and from the radio group. The demodulated, demultiplexed signals are passed along their respective routes; in OTCIXS, the signal goes to the user terminal interconnect group. 5-2.5.2.2 Radio Grou~. The radio group modified AN/WSC-3) or the AN/WSC-5(V). is either the AN/WSC-3 (or D~MA

a. AN/WSC-3. The AN/WSC-3 UHF transceiver may be configured as non-DAMA, DAMA wi~h one radio or DAMA with t'Jo radios. The radio must be modified for DAMA operation. The TD-127~B/U may operate half duplex (one radio) only with the AN/WSC-3A. With ~wo radios, the TD-I 271B/U opera=es full duplex; one radio transmits and the other receives, even %hough the end result is a half duplex application. In non-D~A operation the radio receives digital data input from the user terminal and modulates the signal. In DAMA operation the radio receives a multiplexed/modulated composite IF signal from the DAMA group. -~he radio amplifies the signal and passes an up-converted UHF

AMENDMENT 0007

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