Part Details | RADAR TARGET SIMULATOR
4920-00-838-7895 An item whose reflection properties are similar to those of a radar target. It is designed for fixed position installation so that its range and azimuth, with respect to the equipment with which it is used is known. It is normally used for the calibration of a radar set. See also TARGET, RADAR.
Alternate Parts: 888211, 88821-1, SM225GP, SM-225/GP, 4920-00-838-7895, 00-838-7895, 4920008387895, 008387895
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 49 | JAN 01, 1962 | 00-838-7895 | 19080 ( SIMULATOR, RADAR TARGET ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4920-00-838-7895
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 88821-1 | 24930 | HARRIS CORPORATIONDBA ELECTRONIC SYSTEMS, RADAR |
| SM-225/GP | 80058 | JOINT ELECTRONICS TYPE DESIGNATIONSYSTEM |
Technical Data | NSN 4920-00-838-7895
| Characteristic | Specifications |
|---|---|
| REFLECTING ELEMENT OVERALL LENGTH | 30.000 INCHES NOMINAL |
| REFLECTING ELEMENT OVERALL DIAMETER | 30.000 INCHES NOMINAL |
| REFLECTING ELEMENT OVERALL HEIGHT | 5.625 INCHES NOMINAL |
| REFLECTING ELEMENT FREQUENCY RATING | 8500.0 MEGAHERTZ MINIMUM AND 9600.0 MEGAHERTZ MAXIMUM |
| REFLECTING ELEMENT MATERIAL | ALUMINUM |
| REFLECTING ELEMENT SURFACE TREATMENT | PAINTED |
| FRAME MATERIAL | METAL |
| FRAME SURFACE TREATMENT | PAINTED |
| OVERALL DIAMETER | 30.000 INCHES NOMINAL |
| OVERALL HEIGHT | 22.500 INCHES NOMINAL |
| JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM NAME | SIMULATOR,RADAR TARGET |
| JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM TYPE NUMBER | SM-225/GP |
| SPECIAL FEATURES | REFLECTS A RADAR SIGNAL TO SIMULALATE A MOVING TARGET BY ELECTRONIC PHASE MODULATION,NO MOVING PARTS,TARGET IS ABLE TO REFLECT A SIGNAL,WHICH APPEARS TO THE RADAR SET AS FROM A MOVING OBJECT AND THEREBY AVOIDS SIGNAL CANCELLATION WHEN THE RADAR SET IS OPERATED ON MTI,RESPONSE PRF IS VARIABLE BY ADJUSTMENT OF BATTERY VOLTAGE,UNIT WILL MOUNT ON ANY STEEL OR ALUMINUM POLE WITH A MINIMUM WALL THICKNESS OF 1/16 IN. AND FROM 2 TO 3 1/2 IN. IN DIA. |
| END ITEM IDENTIFICATION | AN/GPN-4,AN/MPN-11 |
| USAGE DESIGN | TARGET USED TO ALIGN GROUND RADAR TO DIRECT THE AIRCRAFT |
| FUNCTIONAL DESCRIPTION | USED TO ESTABLISH A FIXED RANGE AND ANGLE POINT ON THE DISPLAY OF ANY RADAR SET OF APPROPRIATE PRF AND FREQ; THE REFLECTED SIGNAL IS PHASE MODULATED IN RELATION TO THE RECEIVED SIGNAL; WILL APPEAR AS AN ACCEPTABLE TARGET TO THE RADAR SET WHETHER RADIATION POLARIZATION IS HORIZONTAL,VERTICAL OR CIRCULAR; WILL ALSO APPEAR AS AN ACCEPTABLE TARGET WHEN RADAR SET IS OPERATED ON NORMAL OR MTI |
| FSC APPLICATION DATA | RADAR SET,NONAIRBORNE EXCEPT FIRE CONTROL AND GUIDED MISSILE |