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Old 17th August 2001 | 22:38
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Pengineer
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1.Aerials are painted with neoprene for...
A)Insulation
B)Erosion protection
C)To guard against P static

2.In a HF system the ATU tunes the aerial to
a) half a wavelenght
b) a quarter wavelenght
c) A wavelenght

3.The ATU tunes to achieve
a) 50ohms and a VSWR of 1:1
b) 50ohms and a VSWR of 1:3
c).........

4.HIRF
a)over a wide frequency range
b)over a narrow frequency range
c)only when the A/C txs on HF

Any suggestions?