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Seatel Tracking Antenna Control Unit Model Tac-92 on 2040-parts.com

US $300.00
Location:

Houston, Texas, United States

Houston, Texas, United States
Seatel tracking Antenna Control Unit Model TAC-92, US $300.00, image 1
“Used in good conditions 100 tested and working”
Brand:Seatel Inc. Country/Region of Manufacture:United States

CHARACTERISTICS

The TAC-92C Antenna Control Unit (ACU) communicates via an RS422 serial data link with the Pedestal Control Unit (PCU) located at the antenna. For unlimited azimuth pedestals, the RS422 link is coupled to the PCU via RF multiplexers. The Pedestal Control Unit stabilizes the antenna against the ship's roll, pitch, and turning motions. The TAC-92C ACU is the operator interface to the PCU and provides the user with a choice of positioning commands to point the antenna, search commands to find the satellite signal and tracking functions to maintain optimum pointing. The TAC-92C can incorporate a variety of signal strength receivers for tracking purposes.

1.2. TAC-92C FUNCTIONAL DESCRIPTION The TAC-92C is housed in a standard 19-inch rack mount enclosure. The front panel contains a row of function keys used to select the desired information to be displayed and an array of numeric data entry keys for changing parameters or commanding the antenna functions. 
Data is displayed on a bright 40 character Vacuum Fluorescent display making it easy to read in all ambient light conditions. The TAC-92C can be mounted on chassis slides allowing easy access to all internal electronics. 
All external connections are brought out through three D-Subminiature connectors mounted on the rear panel. Flexible ribbon cable extends these connections to a terminal-mounting strip mounted on the rear of the rack enclosure separating the ship wiring from the Antenna Control Unit. 
The TAC-92C allows the use an internal flux gate compass, external flux gate compass or a shipboard gyrocompass as the long-term azimuth reference. 
The TAC-92C will accept an NMEA 0183, Step- by-step or 1:1, 36:1, 90:1 or 360:1 Synchro gyro interface. 
The TAC-92C automatically calculates the Elevation, Azimuth and Polarization pointing angles (POLANG) based on the ships Latitude, Longitude and the desired Satellite Longitude position. 
A programmable pattern search will automatically scan the area for a desired satellite if no signal is found. 
These two features make locating a new satellite very easy. 
TAC-92C/M 2 A serial communications Monitor and Control (M&C) interface allows external control of the TAC-92C from a PC, ASCII terminal, or telephone modem. This interface can also be used to update the ships Latitude and Longitude information from a GPS or LORAN system or update heading from a flux gate or gyro using the NMEA interface standard. 
The TAC-92C will accept signal level information for tracking purposes from one of three internal receiver options or an external receiver. The standard internal receiver is a dual input full coverage wide band video receiver for tracking video transponders in all TVRO and most data applications. Two narrow band beacon-tracking receivers are available with either 70 MHz or L-BAND inputs to allow tracking on a satellite beacon or narrow band data carrier. 

1.3. TAC-92C TECHNICAL SPECIFICATIONS 

1.3.1. General Physical Dimensions: 3.5 x 19" x 14" Mounting: 2 Unit high Rackmount Input Voltage: 110/220 VAC, 50/60 Hz Power Requirements: 100-Watts maximum Fuses: 2 Amp 110v input, both lines fused 1 Amp 220v input, both lines fused
 
1.3.2. Front Panel Keyboard: 4 Mode Select Keys 14 Numeric Input Keys 2 Up/Down Keys 2 Auxiliary Keys 1 Reset Key AlphaNumeric Display: 40 Character (2x20) Vacuum Fluorescent Alpha Numeric Status Indicator Display: 4 LED enunciators 

1.3.3. Rear Panel Controls: Power On/Off Voltage Select Connectors: External AGC 37 pin female D-Subminiature Gyro Compass input 25 pin female D-Subminiature RS-232/422 M&C 9 pin male D-Subminiature RS-422 PCU interface 9 pin male D-Subminiature RF Tracking Input Type F female L Band input BNC 70 MHz input AC Input Power IEC type receptacle

1.3.4. RF Tracking Input Wide band TVRO receiver: Frequency Range: 950 - 2050 MHz Detection Bandwidth: 16 MHz Input Level: -65 to -20 dBm LNB switching: 13/18 volt band select switching Narrow Band SCPC receiver: Frequency Range: 950 - 1750 MHz (L band SCPC) 60 - 80 MHz (70 MHz SCPC) 110 - 170 (140 MHz SCPC) Detection Bandwidth: 30 kHz Input Level: -90 to –30 dBm 

1.3.5. RS-232 Monitor and Control Interface Communications Parameters: 4800/9600 Baud, 8, N, 1 Device Type: DTE Interface Protocol: RS-232 or RS-422 Interface Connector: DE9P (J11) 

1.3.6. NMEA Interface Communications Parameters: 4800 Baud, 8, N, 1 Interface Protocol: Optically isolated RS-422 Interface Connector: DE9P (J11 or J13) NMEA GPS Sentence: GPGLL, LCGLL NMEA Heading Sentence: HCHDM, HEHDT 

1.3.7. External AGC Input Voltage Level: 0-5 volts DC Impedance: 1 meg ohms 1.3.8. Terminal Mounting Strip Synchro Interface: 5 screw terminal connections SBS Interface: 4 screw terminal connections External AGC: 2 screw terminal connections NMEA GPS: 4 Screw terminal connections 1.3.9. Environmental Conditions The following requirements apply to equipment installed in weather protected locations. Temperature 0 to 40 degrees C Humidity Up to 100% @ 40 degrees C Non-condensing

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