-- card: 53941 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 7720
-- name: #176
----- HyperTalk script -----
on openCard
  global group,rightone
  put 18 into group
  put "B" into rightone
  pass openCard
end openCard



-- part contents for background part 20
----- text -----
Question #18

-- part contents for background part 1
----- text -----
4BD-4.9 Why is an antenna system with a cardioid pattern desirable for a direction-finding system?

-- part contents for background part 11
----- text -----
The broad side responses of the cardioid pattern can be aimed at the desired station

-- part contents for background part 27
----- text -----
The deep null of the cardioid pattern can be aimed at the desired station

-- part contents for background part 28
----- text -----
The sharp peak response of the cardioid pattern can pinpoint the direction of the desired station

-- part contents for background part 29
----- text -----
The high radiation angle of the cardioid pattern is useful for short-distance direction finding

-- part contents for background part 43
----- text -----
Correct answer is B