#1260 – 1964 5c Amateur Radio Postage Stamp Numbered Plate Block (4)
- Collectible Postage Stamps
THIS IS A NUMBERED PLATE BLOCK OF 4 STAMPS
List Price: $ 0.01
Price: [wpramaprice asin=”B002IMHRJ0″]
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H. Ward Silver, N0AX
n0ax@arrl.net
Worse than the dreaded “word problem,” this April quiz is full of backward problems where I give the answer and you pick the problem. Or something like that. You’ll figure it out!
1) 9
a. The dB equivalent of a power ratio of 4.
b. The number of wavelengths traveled by a 7 MHz signal in 1.29 µs.
c. Value of SWR if a 337.5 Ω load is connected to 75 Ω coaxial cable….
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