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TABLE 12: STATION C

ELECTRIC FIELD STRENGTH: YAGI BEAM ANTENNAS

I. TRI-BAND HF ANTENNA (14.15 MHz; 1000 :)

MEASUREMENT LOCATION

(1)

Along 2nd floor balcony appx. 16-18 m below antenna

(2)

Corner of room appx. 15-16 m below antenna

(3)

Localized near feed-line on floor of ham shack

(4)

Localized readings in immediate vicinity of transceiver in ham shack

7.1 - 37.5

97

37.5 - 43.4

Electric Field (V/m)

9.6 - 13.6

II. EIGHT-ELEMENT YAGI ANTENNA (50 MHz; 100 W):

MEASUREMENT LOCATION

(1)

Along 2nd floor balcony railing appx. 20-22 m from antenna

(2)

Inside 2nd floor ham shack appx. 22-24 m from antenna

1.4

Electric Field (V/m)

2.2

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

NOTES:

  • (1)

    Antennas mounted on tower adjacent to house.

  • (2)

    Measurements made using Holaday Industries Model HI-3001 broadband field intensity meter.

  • (3)

    Measured values corrected for calibration error and rounded off.

24

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