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rclocher3
  • Member for 8 years, 9 months
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3 votes
4 answers
448 views

Is a resonant antenna inherently more efficient because it couples to free space more efficiently?

3 votes
1 answer
291 views

Why is QRN so bad on the low HF and MF bands?

6 votes
6 answers
1k views

If receive performance doesn't depend on SWR, then how can I tune my manual HF antenna tuner by band noise?

3 votes
1 answer
799 views

What do old unit abbreviations like "mfd" and "kc" mean, and where did they come from?

1 vote
2 answers
169 views

How should I go about finding the transmitter or antenna of a radio signal?

5 votes
3 answers
1k views

Why are contest signal reports always "59" or "599"?

4 votes
2 answers
2k views

Why do horizontally-polarized RF waves reflect better off ground than vertically-polarized waves?

2 votes
6 answers
4k views

How to make an RF probe for accurate power measurement at QRP power levels?

1 vote
4 answers
297 views

How do I get a ham radio license in my country?

14 votes
8 answers
4k views

Why are Wullenweber CDAAs obsolete?