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Radar B
Test Data

Believed to be an MPH K-55

Beamwidth: 20.4 degrees
Power (ERP): 134 milliwatts (21 dBm)
Detection Range: 790 feet to over 1 mile (240 m to 1.74 km)
Low Voltage: 6.0 Vdc, Blanks display but retains correct reading
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. Radar operated from standard 4 door sedan.

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

  B    41     Pinto   45     6.3   86    0.15    260    790   0.24
  B    44     Pinto   46     7.4   90    0.18    320    950   0.29
  B    42     Pinto   49     9.    91    0.23    400   1210   0.37
  B    43     Pinto   51    17.8   94    0.46    810   2430   0.74
  B    47     Pinto   50    20.0   97    0.54    950   2850   0.87
 B(2)  40     Pinto   37    37.6   77    0.8    1410   4230   1.29

  B    43    T-Bird   51    11.    94    0.29    510   1530   0.47
  B    43    T-Bird   48    14.2   91    0.36    630   1900   0.58
  B    54    T-Bird   51    13.8  105    0.40    700   2110   0.64

  B    43   Winnabego 48    41.2   91    1.04   1830   5490   1.67
  B    53   Winnabego 43    40.5   96    1.08   1900   5700   1.74


(2) 40 mph radar (B) picked-up 37 mph Pinto then lost for several
    seconds before measuring another car way behind Pinto.

TRANSMIT FREQUENCY DATA
                           TRANSMIT      FREQUENCY FROM
      TEST CONDITION       FREQUENCY   AMBIENT   10.525 GHz
                              GHz        MHz        MHz
 AMBIENT TEMP, 13.6 Vdc     10.5331        -        8.1
-30 degrees C, 13.6 Vdc     10.5423       9.2      17.3
 60 degrees C, 13.6 Vdc     10.5237      -9.4      -1.3
 AMBIENT TEMP, 10.9 Vdc     10.5325      -0.6       7.5
 AMBIENT TEMP, 16.3 Vdc     10.5330      -0 1       8.0

-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
 1095.7       34.91       35
 1569.6       50.01       50
 2477.0       78.92       80

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Police Traffic Speed Radar Handbook

Chapter 5.6 -- Radar B Test Data

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