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Stalker ATR
Applied Concepts

CPL Approved.

Stalker
OPERATION

CONTROLS

DISPLAYS / INDICATORS

SPECIFICATIONS

         ACCURACY   +/- 1 mph (+/- 1 kmh)

  MEASURING RANGE   1 to 150 mph (1 to 270 kmh)

        FREQUENCY   Ka band
         wideband   34.2 to 35.2 GHz (covers 5 channels)
            fixed   34.7  GHz (+/-100 MHz)
                    34.94 GHz (+/-100 MHz)
                    others?

   TRANSMIT POWER   20 mW (minimum)
                    50 mW (nominal)
                    100 mW (maximum)
    power density   4 mW/sq cm, 5 inches from lens

          ANTENNA   dual rectangular horns (top/bottom) 
        beamwidth   9 degrees nominal
     polarization   vertical

     POWER SOURCE   Internal battery (in handle)
                    6.6 to 9.0 Vdc (1.5 or 1.8 amp-hour)
                    (1.0 A transmit, 0.04 A standby)
                    1.5 A-hr battery good for 4 to 12 hours

                    patrol car battery (9 to 16 Vdc)
                    typically 0.55 A at 13.8 Vdc (transmit)

    ENVIRONMENTAL
        operating   -30 to  50 degrees Celsius
                   (-22 to 122 degrees Fahrenheit)
                    90 percent humidity
    non-operating   -40 to  70 degrees Celsius
                   (-40 to 158 degrees Fahrenheit)

PHYSICAL   height    9.25 in, includes handle
           length   10.2 in
            width    3.5 in 
           WEIGHT   3 lb, 3 oz, includes handle

 MICROWAVE SOURCE   Gunn-effect diode

    RECEIVER TYPE   Direct Conversion Homodyne
                   (low-noise Schottky barrier mixer diode)


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