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A LARGE SCREEN THAT SIMULATES GROUND.  SPACING THE ELEMENTS FROM THE SCREEN
BY BETWEEN 1/4 AND 3/8 OF A WAVELENGTH IS RECOMMENDED FOR THE BEST PATTERN.
FOR SATELLITE OPERATION, THE OBJECT IS TO OBTAIN AS CLOSE TO A DOME LIKE
PATTERN OVERHEAD AS POSSIBLE.  THE MOST DESIRABLE CONDITION IS TO HAVE THE
DOME EXTEND AS FAR DOWN TOWARD THE HORIZON AS POSSIBLE TO LET US
COMMUNICATE WITH SATELLITES AS LONG AS POSSIBLE DURING A PASS.  THE
TURNSTILE AND SCREEN SYSTEM, WHILE SIMPLE, IS FAIRLY BULKY AND PRONE TO
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WIND DAMAGE.  HOWEVER, THE TURNSTILE LOSES PERFORMANCE IF WE OMIT THE
SCREEN.  ONE WAY TO REDUCE THE BULK OF OUR ANTENNA IS TO FIND AN ANTENNA
WITH ITS OWN REFLECTOR.  HOWEVER, IT MUST HAVE A GOOD PATTERN FOR THE
DESIRED GOAL OF A TRANSMITTING AND RECEIVING DOME IN THE SKY.  THE DUAL
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48 B KG7H 36,879 319 57 C Montana AB7CE 924 33 14 A KE7NO 8,184 132 31 B
KK7UV 3,432 78 22 B K7BG 17,061 183 47 C KS7T 5,168 76 34 C Nevada N7PU
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