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Radar C
Test Data

Believed to be a Decatur MV-715

Beamwidth: 17.5 degrees
Power (ERP): 120 milliwatts (21 dBm)
Detection Range: 1370 feet to over 1 mile (420 m to 1.77 km)
Low Voltage: 7.6 Vdc, Blanks display
Type: multi-unit (separate antenna / display)
Noted Abnormalities;
RANGE TEST DATA
Range test conducted on straight stretch of open 2 lane highway 1.8 miles long unless otherwise noted.
(3) indicates test conducted on secondary road paralleled by high tension power lines
mounted from metal poles. Radar operated from standard 4 door sedan.

PATROL CAR       TARGET       CLOSING     RANGE
Radar  mph    vehicle mph     sec  mph    miles  yards  feet   km

 C(3)  38      Pinto   47     8     85    0.19   335   1000   0.31
 C(3)  37      Pinto   28    16     65    0.29   510   1530   0.47
  C    41      Pinto   58    16.    99    0.44   775   2320   0.71
  C    36      Pinto   49    18.5   85    0.44   775   2320   0.71
  C    32      Pinto   48    25.    80    0.56   985   2960   0.90
  C    41      Pinto   27    30.8   68    0.58  1020   3060   0.93
  C    41      Pinto   47    26.    88    0.64  1125   3380   1.03
  C    41      Pinto   50    27     91    0.68  1200   3590   1.09

  C    31     T-Bird   43    12.8   74    0.26   460   1370   0.42
  C    43     T-Bird   48    10.2   91    0.26   460   1370   0.42
  C    43     T-Bird   55    14.    98    0.38   670   2010   0.61

 C(3)  38    Winnabego 37    18     75    0.38   670   2010   0.61
 C(3)  37    Winnabego 42    20     79    0.44   775   2320   0.71
  C    47    Winnabego 39    46.    86    1.1   1935   5810   1.77
  C    45    Winnabego 36    51.    81    1.1   1935   5810   1.77

(3) indicates test conducted on secondary road paralleled by high
    tension power lines mounted from metal poles.

TRANSMIT FREQUENCY DATA
                           TRANSMIT      FREQUENCY FROM
      TEST CONDITION       FREQUENCY   AMBIENT   10.525 GHz
                              GHz        MHz        MHz
 AMBIENT TEMP, 13.6 Vdc     10.5206        -       -4.4
-30 degrees C, 13.6 Vdc     10.5244       3.8      -0.6
 60 degrees C, 13.6 Vdc     10.5162      -4.4      -8.8
 AMBIENT TEMP, 10.9 Vdc     10.5183      -2.3      -6.7
 AMBIENT TEMP, 16.3 Vdc     10.5206       0        -4.4

-30 degrees Celsius (C) = -22 degrees Fahrenheit (F)
60 degrees Celsius (C) = 140 degrees Fahrenheit (F)


TUNING FORK DATA
RESONANCE
FREQUENCY   CALCULATED  LABELED
   Hz          mph        mph
 1255.7       40.01       40
 2824.0       89.98       90

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Radar C Test Data
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