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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)?

5 votes
1 answer
182 views

Hearing impairment and CW?

6 votes
2 answers
300 views

Why do biconical antennas have a wide bandwidth?

7 votes
2 answers
5k views

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

3 votes
4 answers
1k views

POTA and SOTA Spotting networks?

2 votes
1 answer
215 views

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

12 votes
1 answer
3k views

What is a "roofing filter"?

7 votes
5 answers
2k views

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

1 vote
1 answer
67 views

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

0 votes
2 answers
298 views

Isolated linearly loaded antenna?

-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?

5 votes
1 answer
561 views

What is band stacking?

6 votes
2 answers
8k views

What does ALC do on a transceiver?

4 votes
1 answer
164 views

Modeling a regenerative receiver

0 votes
1 answer
93 views

FT8 in slow motion?

2 votes
2 answers
795 views

What are the biggest amateur radio contests ("radiosport")?

4 votes
2 answers
100 views

License document requirements

1 vote
2 answers
791 views

Benefits of AGC?

2 votes
1 answer
389 views

Physical QSL card request procedures?

0 votes
2 answers
108 views

Detecting receiver intermodulation distortion?

3 votes
1 answer
142 views

Tradeoffs: varicap vs. air variable capacitor for Rx bandpass?

2 votes
2 answers
2k views

Multi-turn large/full-wave loop antennas?

2 votes
1 answer
617 views

What is an Audio Peaking Filter?

4 votes
3 answers
6k views

What is the difference between RIT and XIT?

3 votes
4 answers
3k views

What is the use of dual VFOs?

0 votes
2 answers
244 views

Relative disadvantages of impedance mismatch vs. non-resonant length wire antenna

2 votes
1 answer
123 views

Buzzing FM interference

1 vote
2 answers
1k views

Loop on ground for transmit?

3 votes
3 answers
1k views

Maximum legal QRQ CW speed?

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