Skip to main content
hotpaw2's user avatar
hotpaw2's user avatar
hotpaw2's user avatar
hotpaw2
  • Member for 10 years, 4 months
  • Last seen this week
3 votes
1 answer
779 views

Audio Morse Code to CW converter?

2 votes
2 answers
756 views

FSK or M-PSK for weak signal communications?

1 vote
1 answer
693 views

SDR demodulation of SSB

3 votes
3 answers
650 views

Identifying a transmission to myself

-2 votes
2 answers
647 views

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

3 votes
4 answers
629 views

Is there an FT8 or other weak-signal digital mode specification available?

7 votes
1 answer
614 views

Super-low-tech VHF low-pass filter construction?

2 votes
1 answer
610 views

What is an Audio Peaking Filter?

5 votes
1 answer
571 views

Why are loopstick ferrite antennas commonly wound with Litz wire?

5 votes
2 answers
564 views

SSB filtering in the frequency domain?

5 votes
2 answers
561 views

How is a crossed-ellipse display generated from FSK?

5 votes
3 answers
559 views

Characteristics of a "bad fist"?

3 votes
2 answers
556 views

Fan dipole with loading coil(s)?

5 votes
1 answer
555 views

What is band stacking?

4 votes
2 answers
509 views

Which frequencies in a band should I use for antenna and radio testing?

4 votes
2 answers
507 views

How do blind hams operate?

5 votes
1 answer
506 views

What radio regulations apply in International waters?

4 votes
1 answer
489 views

Dipole loading coil winding directions?

7 votes
3 answers
485 views

Passively reducing ground loss?

0 votes
1 answer
446 views

What is the most common CW audio filter center frequency?

10 votes
1 answer
409 views

Why do SDR control apps have two frequency settings?

7 votes
1 answer
408 views

Regenerative receiver interference?

3 votes
1 answer
397 views

asymmetric shortened dipole

1 vote
2 answers
388 views

What is Logbook Of The World or LOTW?

5 votes
1 answer
387 views

Counterpoise wire voltages?

2 votes
1 answer
382 views

Physical QSL card request procedures?

2 votes
2 answers
334 views

Can an SSB transmitter be used to transmit PSK?

4 votes
1 answer
324 views

Dipole symmetry?

6 votes
2 answers
324 views

SSB offset determination?

4 votes
2 answers
319 views

Why isn't some form of twinax commonly used for antenna feed lines?