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hotpaw2
  • Member for 10 years, 5 months
  • Last seen this week
7 votes
2 answers
276 views

What is an undulator (as used for CW)?

20 votes
4 answers
16k views

What is the peak voltage at the tips of a dipole antenna?

3 votes
4 answers
1k views

POTA and SOTA Spotting networks?

1 vote
2 answers
393 views

What is Logbook Of The World or LOTW?

3 votes
3 answers
1k views

Maximum legal QRQ CW speed?

5 votes
1 answer
182 views

Hearing impairment and CW?

8 votes
3 answers
8k views

What is a panadapter?

6 votes
2 answers
300 views

Why do biconical antennas have a wide bandwidth?

10 votes
5 answers
6k views

Audio frequency used for Morse code in licensing exams?

13 votes
3 answers
14k views

Bandwidth of a CW signal?

3 votes
2 answers
1k views

What is Spectral Subtraction for noise reduction?

3 votes
1 answer
171 views

RF fading channel model?

7 votes
2 answers
5k views

Are "end-fed" antennas really more multi-band than dipoles?

10 votes
3 answers
7k views

What is the record for the highest non-automated over-the-air CW WPM speed?

2 votes
1 answer
215 views

Reasons for an antenna tuner at the transmitter other than transmitter protection?

2 votes
2 answers
164 views

Terminology for written "CW-like" Code?

3 votes
1 answer
4k views

Difference between Iambic keyer modes?

7 votes
2 answers
6k views

Morse Code meta-command sequences?

12 votes
1 answer
3k views

What is a "roofing filter"?

3 votes
2 answers
563 views

Fan dipole with loading coil(s)?

10 votes
4 answers
7k views

Remote SDR on the internet other than WebSDR?

7 votes
5 answers
2k views

Why are an antenna’s nulls sharper than its lobes?

0 votes
2 answers
298 views

Isolated linearly loaded antenna?

1 vote
1 answer
67 views

What are the unintentional radiation limits in U.S. HF bands?

-2 votes
2 answers
655 views

Can an end-fed be fed with an Isolation transformer? [closed]

5 votes
1 answer
583 views

Why are loopstick ferrite antennas commonly wound with Litz wire?

6 votes
4 answers
5k views

Can an HF antenna be put inside a tree?

4 votes
1 answer
494 views

Dipole loading coil winding directions?

5 votes
1 answer
561 views

What is band stacking?

4 votes
1 answer
956 views

CW skimmers and spotting networks?

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