User Scott Earle - Amateur Radio Stack Exchange

Scott Earle

Moderator

Member for 9 years, 8 months
Last seen more than a week ago

Twitter
scottearle.com
Bangkok, Thailand

129 Answers

Score Activity Newest

15 votes

Accepted

Why are vacuum tubes still used in amateur radios?

answered Apr 19, 2019 at 3:09

13 votes

Accepted

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

answered Dec 6, 2017 at 2:22

12 votes

Accepted

What does QSL mean in a CW conversation?

answered Apr 1, 2019 at 3:39

12 votes

Accepted

What is homebrew?

answered Apr 17, 2019 at 15:10

10 votes

Why is Morse code still in use?

answered Jul 23, 2014 at 1:32

8 votes

Visible radio wave propagation

answered Jul 4, 2014 at 1:57

7 votes

What exactly is a "balanced modulator"?

answered Sep 7, 2018 at 2:36

7 votes

Accepted

Why can I hear Morse when not in CW mode?

answered Jul 16, 2020 at 9:31

7 votes

New operator struggling to make a contact

answered Jul 11, 2022 at 3:55

6 votes

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

answered Sep 16, 2020 at 14:28

6 votes

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

answered Mar 7, 2019 at 8:45

6 votes

Accepted

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

answered May 29, 2019 at 15:16

6 votes

Can I talk 2 Meter VHF across the United States

answered Dec 9, 2017 at 23:49

6 votes

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

answered Dec 15, 2017 at 1:50

6 votes

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

answered Jul 5, 2018 at 8:44

6 votes

Private Channel?

answered Mar 9, 2017 at 1:42

5 votes

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

answered May 28, 2015 at 1:44

5 votes

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

answered Jun 22, 2015 at 3:49

5 votes

Accepted

HackRF + Amplifier = HF/VHF QRP Radio?

answered Jul 4, 2018 at 5:23

5 votes

What has happened to HF?

answered Aug 6, 2018 at 1:06

5 votes

Accepted

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

answered Feb 13, 2019 at 4:03

5 votes

Are QRP transceivers only meant for CW communication?

answered Apr 23, 2019 at 6:56

5 votes

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

answered Apr 18, 2019 at 6:02

5 votes

Accepted

Restricted line-of-sight communication

answered Jun 10, 2019 at 1:14

5 votes

Accepted

How proper HIHI sounds like?

answered Feb 25, 2020 at 22:59

4 votes

Accepted

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

answered Feb 5, 2020 at 7:41

4 votes

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

answered Dec 31, 2019 at 11:52

4 votes

LSB modulation and demodulation

answered Apr 19, 2020 at 15:01

4 votes

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

answered Sep 10, 2019 at 2:38

4 votes

Which 10 m antenna will give the most rejection in one direction for received signals which are vertically polarized?

answered Oct 16, 2019 at 1:58

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