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card_82505.txt
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Text File
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1991-04-12
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1KB
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42 lines
-- card: 82505 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 2707
-- name: #358
----- HyperTalk script -----
on openCard
global group,rightone
put 30 into group
put "B" into rightone
pass openCard
end openCard
-- part contents for background part 20
----- text -----
Question #30
-- part contents for background part 1
----- text -----
2I-6.3 What are some advantages in using coaxial cable as an antenna feed line?
-- part contents for background part 11
----- text -----
It is easy to make at home, and it has a characteristic impedance in the range of most common amateur antennas.
-- part contents for background part 27
----- text -----
It is weatherproof, and it has a characteristic impedance in the range of most common amateur antennas.
-- part contents for background part 28
----- text -----
It can be operated at a higher SWR than twin, and it is weatherproof.
-- part contents for background part 29
----- text -----
It is unaffected by nearby metallic objects, and has a characteristic impedance that is higher than twin lead.
-- part contents for background part 43
----- text -----
Correct answer is B