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card_75819.txt
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Text File
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1991-04-08
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1KB
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38 lines
-- card: 75819 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #264
----- HyperTalk script -----
on openCard
global group,rightone
put 23 into group
put "A" into rightone
pass openCard
end openCard
-- part contents for background part 20
----- text -----
Question #23
-- part contents for background part 1
----- text -----
3BI-6.2 What is the radiation pattern of an ideal half-wavelength dipole HF antenna?
-- part contents for background part 11
----- text -----
If it is installed parallel to the earth, it radiates well in a figure-eight pattern at right angles to the antenna wire
-- part contents for background part 27
----- text -----
If it is installed parallel to the earth, it radiates well in a figure-eight pattern off both ends of the antenna wire
-- part contents for background part 28
----- text -----
If it is installed parallel to the earth, it radiates equally well in all directions
-- part contents for background part 29
----- text -----
If it is installed parallel to the earth, the pattern will have two lobes on one side of the antenna wire, and one larger lobe on the other side