Radar A
Test Data

Noted Abnormalities;

• patrol speed shadowing (occasional slight effect)
  Patrol speed went from 26 mph (actual) to 22 mph when large oil tanker passed patrol car. No other effects from large trucks seen.
• panning error
  Panning produced 101 mph displayed target speed.
• external 100 watt police radio
  Intermittent speed readings from radio 25 feet away.
• internal CB radio
  When radar and CB connected to same battery interference from CB evident (false speed readings).
• internal 100 watt mobile police radio
  Blanked out target reading but not patrol speed reading.
• internal 2 watt handheld police radio
  Occasionally blanked out target speed but did not effect correct reading.

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

    A    40     Pinto   39     3.2   79    0.07    120    370   0.11
    A    40     Pinto   37     4.4   77    0.09    160    475   0.14
    A    41     Pinto   50     7.    91    0.18    320    950   0.29
    A    41     Pinto   54     9.    95    0.24    420   1270   0.39

    A    44    T-Bird   49    10.0   93    0.26    460   1370   0.42
    A    32    T-Bird   68    11.0  100    0.3     530   1580   0.48
    A    51    T-Bird   53    12.5  104    0.36    630   1900   0.58

    A    52   Winnabego 44    19.7   96    0.53    930   2800   0.85
    A    40   Winnabego 58    24.7   98    0.67   1180   3540   1.08
   A(1)  40   Winnabego 50    39.5   90    0.99   1740   5230   1.59

  (1) Police car between target and radar vehicle.

                             TRANSMIT      FREQUENCY FROM
        TEST CONDITION       FREQUENCY   AMBIENT   10.525 GHz
                              GHz        MHz        MHz
   AMBIENT TEMP, 13.6 Vdc     10.5221        -       -2.9 
  -30 degrees C, 13.6 Vdc     10.5335      11.4       8.5 
   60 degrees C, 13.6 Vdc     10.5163      -5.8      -8.7 
   AMBIENT TEMP, 10.9 Vdc     10.5214      -0.7      -3.6 
   AMBIENT TEMP, 16.3 Vdc     10.5221       0         2.9 

  RESONANCE
  FREQUENCY   CALCULATED  LABELED
     Hz          mph        mph
   1114.6       35.51       35
   2057.0       65.54       65