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hotpaw2
  • Member for 10 years, 4 months
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8 votes
1 answer
311 views

PL tone removal?

3 votes
3 answers
309 views

Antenna testing, minimizing feed-line radiation?

0 votes
2 answers
293 views

Isolated linearly loaded antenna?

6 votes
2 answers
289 views

Why do biconical antennas have a wide bandwidth?

5 votes
1 answer
278 views

What does a receiver's noise reduction function do?

7 votes
2 answers
267 views

What is an undulator (as used for CW)?

4 votes
1 answer
260 views

Color of radio noise?

4 votes
3 answers
250 views

Do resonant antennas actually resonate?

0 votes
2 answers
243 views

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

5 votes
1 answer
243 views

Are there reasons why a receive-only wire antenna should not be λ/2 in length?

2 votes
2 answers
220 views

Measuring antenna characteristics without physical access?

2 votes
1 answer
209 views

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

5 votes
2 answers
205 views

What is a QSL card?

5 votes
1 answer
180 views

Hearing impairment and CW?

1 vote
2 answers
180 views

ID station when testing an oscillator or transmitter into a dummy load?

2 votes
2 answers
175 views

How to safely connect a digital output to a receiver's antenna input?

5 votes
2 answers
173 views

Air gapped digital communications mode on VHF?

3 votes
1 answer
171 views

RF fading channel model?

5 votes
2 answers
169 views

Weak signal digital modes and clock synchronization

2 votes
2 answers
164 views

Terminology for written "CW-like" Code?

4 votes
1 answer
163 views

Modeling a regenerative receiver

9 votes
1 answer
147 views

overhead power-line safety

4 votes
1 answer
145 views

Antenna system components in the rain

1 vote
1 answer
144 views

Diplexer termination?

3 votes
1 answer
141 views

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

4 votes
1 answer
135 views

Voltages in a beam antenna's passive elements?

2 votes
1 answer
123 views

Buzzing FM interference

2 votes
2 answers
110 views

What contemporary digital modes do not require a GUI? [closed]

0 votes
2 answers
107 views

Detecting receiver intermodulation distortion?

4 votes
2 answers
100 views

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