Skip to main content
Scott Earle's user avatar
Scott Earle's user avatar
Scott Earle's user avatar
Scott Earle
Moderator
  • Member for 10 years, 2 months
  • Last seen more than a week ago
15 votes
Accepted

Why are vacuum tubes still used in amateur radios?

13 votes
Accepted

What was the origin of the Morse code abbreviations "hi" and "es"?

12 votes
Accepted

What does QSL mean in a CW conversation?

12 votes
Accepted

What is homebrew?

10 votes

Why is Morse code still in use?

8 votes

Visible radio wave propagation

7 votes

What exactly is a "balanced modulator"?

7 votes
Accepted

Why can I hear Morse when not in CW mode?

7 votes

New operator struggling to make a contact

6 votes

G/ in front of a QSL calls sign: SV1ABA

6 votes

How can I check if my CB radio is AM or AM/SSB?

6 votes

What equipment and software do I need to read raw civilian GPS signals on my Mac?

6 votes
Accepted

Is there any practical advantage to a parabolic reflector over a high-gain beam antenna?

6 votes

What has happened to HF?

6 votes

Can I talk 2 Meter VHF across the United States

6 votes

How to find transmitting (voice and CW) Amateur stations in UK?

6 votes

Full UK license visiting US: Can I use frequencies in US but not UK license?

6 votes

Private Channel?

5 votes

OK for S/RF light to be illuminated at engine idle?

5 votes

Can a licensed ham use or modify CB equipment to work the 10 Meter Amateur bands?

5 votes
Accepted

HackRF + Amplifier = HF/VHF QRP Radio?

5 votes
Accepted

Is the Nyquist rate independent of the power of the analog signal being digitized?

5 votes

Are QRP transceivers only meant for CW communication?

5 votes

How to measure wire for antenna leg | 40m inverted V

5 votes
Accepted

Restricted line-of-sight communication

5 votes
Accepted

How proper HIHI sounds like?

4 votes
Accepted

What gain and power are required for successful DX contacts on 2m/70cm bands in CW?

4 votes

What is "up" and "down", and is it consistent with "top band"?

4 votes

LSB modulation and demodulation

4 votes

What are the advantages for a receiver that uses an IF compared to direct conversion?

1
2 3 4 5