User Walter Underwood K6WRU - Amateur Radio Stack Exchange

Walter Underwood K6WRU

Member for 10 years, 6 months
Last seen more than a week ago

wunderwood.org/…
Palo Alto, CA

31 Answers

Score Activity Newest

3 votes

Accepted

QRP operation SOTA, what coax cable feed-line for HF?

answered Mar 23 at 3:08

1 vote

Which is better in my situation: Balanced dipole, or as much wire as possible in the air?

answered Aug 31, 2023 at 16:03

0 votes

Why have knife switch storm grounds for antennas vanished?

answered Jul 27, 2019 at 17:09

0 votes

Is double amplitude modulation useful?

answered Jul 27, 2019 at 16:24

0 votes

House wiring as an antenna on HF and 2 meters?

answered Jul 20, 2019 at 5:07

0 votes

Doublet with ladder line vs coax w.r.t. noise

answered Mar 12, 2019 at 21:27

4 votes

If I receive an SOS signal, what is the proper response?

answered Mar 12, 2019 at 17:08

8 votes

Accepted

PL tone removal?

answered Mar 12, 2019 at 16:47

4 votes

Is there any downside to consolidating on BNC connectors for HF?

answered Jun 18, 2018 at 18:22

1 vote

Is it safe to monitor a channel while charging my handheld?

answered Jun 20, 2017 at 14:58

1 vote

Accepted

Are there famous radio frequencies?

answered Jun 13, 2017 at 19:11

2 votes

How slow is slow telegraphy?

answered Mar 2, 2017 at 15:52

3 votes

High SWR on a Jeep with Spare Tire Mount

answered Mar 2, 2017 at 15:45

1 vote

Adequate lightning protection for sloped dipole or G5RV?

answered Jul 30, 2014 at 20:13

1 vote

Can I ignore the radial elements of a 2m/70cm antenna if it's on a metal roof?

answered Jul 30, 2014 at 16:28

3 votes

Accepted

Are there ways for people with receivers to participate in contests?

answered Dec 21, 2013 at 17:48

5 votes

What is the largest gauge (thinnest diametre) wire I may use as an antenna?

answered Nov 12, 2013 at 17:22

3 votes

What bands and modes will give me voice at 3,000 miles?

answered Nov 12, 2013 at 6:19

9 votes

Using a balun with a resonant dipole

answered Nov 5, 2013 at 15:40

9 votes

Why do concurrent FM signals not mix together?

answered Oct 29, 2013 at 22:03

8 votes

Accepted

Can I have multiple inverted-vee antenna fed by a single coax?

answered Oct 24, 2013 at 18:45

18 votes

Accepted

Calculating Antenna Length on the FCC Exam vs. in Reality

answered Oct 24, 2013 at 3:48

5 votes

Accepted

How is a "Generally Inactive" ham determined for Field Day GOTA?

answered Oct 24, 2013 at 2:50

1 vote

Can I listen to hams on a standard AM/FM broadcast receiver?

answered Oct 23, 2013 at 22:35

8 votes

How can one convert from Lat/Long to Grid Square?

answered Oct 23, 2013 at 17:04

5 votes

Basic QSO format?

answered Oct 23, 2013 at 1:52

13 votes

What is Jamboree on the Air (JOTA)?

answered Oct 23, 2013 at 1:31

8 votes

Pros/cons of the PL259/SO239 connector (M type)?

answered Oct 23, 2013 at 1:13

11 votes

Accepted

What is the purpose of a balun and a unun in a feed line?

answered Oct 22, 2013 at 22:40

36 votes

Accepted

How do I report an emergency using ham radio?

answered Oct 22, 2013 at 22:16

1