6A99 - The velocity of propagation of radio frequency waves in free space is:
- Correct answer
D.All of the above
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A.300,000 meters / second
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B.186,284 miles / second
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C.The same as the velocity of light in free space
This question is one of 98 in FCC Radiotelegraph Element 6 2014. Test yourself on all of them.
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