User hotpaw2

19 votes

6 answers

30k views

Using a Morse code key with a computer?

cw remote-control

asked Jan 17, 2014 at 16:49

17 votes

3 answers

13k views

What is the peak voltage at the tips of a dipole antenna?

asked Feb 10, 2014 at 16:31

12 votes

3 answers

11k views

Bandwidth of a CW signal?

cw

asked Feb 10, 2014 at 18:23

12 votes

4 answers

4k views

Capacitive hats on wire dipoles?

antenna-construction

asked Sep 17, 2018 at 20:56

11 votes

1 answer

2k views

How does a "chip antenna" work?

antenna antenna-theory

asked Apr 14, 2014 at 19:21

11 votes

1 answer

637 views

What is a "roofing filter"?

receiver filter jargon

asked Sep 9, 2021 at 21:28

10 votes

2 answers

839 views

Scoring quality of Morse Code "fist"?

cw

asked Feb 20, 2014 at 2:34

10 votes

4 answers

5k views

Remote SDR on the internet other than WebSDR?

software-defined-radio internet

asked Nov 2, 2014 at 4:26

10 votes

4 answers

9k views

Operating proceedures: testing an HT against a repeater?

procedure repeater testing

asked Feb 10, 2014 at 22:18

10 votes

5 answers

5k views

Audio frequency used for Morse code in licensing exams?

cw

asked Jan 7, 2014 at 10:10

10 votes

3 answers

5k views

What is the record for the highest non-automated over-the-air CW WPM speed?

cw history

asked Jan 23, 2014 at 2:58

9 votes

4 answers

1k views

How many new amateur operators can currently use CW?

cw

asked Jan 23, 2014 at 3:07

9 votes

2 answers

1k views

What are some ways to ground a transmitter+antenna in an enclosed attic?

grounding antenna-system

asked Jan 9, 2014 at 16:22

9 votes

1 answer

363 views

Why do SDR control apps have two frequency settings?

software-defined-radio rtl-sdr

asked Feb 9, 2014 at 20:45

9 votes

1 answer

4k views

How does a slot antenna work?

antenna antenna-theory

asked Jan 23, 2015 at 20:21

9 votes

1 answer

2k views

How does SDR demodulation differ between wideband and narrowband FM?

modes software-defined-radio fm

asked Feb 22, 2014 at 3:45

9 votes

1 answer

127 views

overhead power-line safety

coaxial-cable safety

asked Apr 6, 2019 at 21:11

9 votes

2 answers

801 views

IQ imbalance after quadrature mixing

software-defined-radio receiver transverter

asked May 8, 2018 at 16:09

9 votes

5 answers

3k views

Wire antenna slightly too long

antenna-construction wire-antenna

asked Aug 31, 2018 at 18:11

9 votes

1 answer

638 views

Calculating the signal-to-noise ratio for CW (Morse Code) signals?

cw dsp

asked Jan 7, 2020 at 0:45

8 votes

1 answer

248 views

PL tone removal?

tone-squelch

asked Mar 12, 2019 at 14:40

8 votes

4 answers

507 views

Required SSB sideband and carrier suppression?

united-states legal ssb

asked Jul 27, 2019 at 22:42

8 votes

2 answers

6k views

What is a panadapter?

software-defined-radio jargon history panadapter-and-waterfall

asked Feb 5, 2017 at 3:18

8 votes

6 answers

9k views

International characters in Morse Code?

cw

asked Feb 3, 2014 at 17:51

8 votes

1 answer

65 views

Testing a possible grounding point?

grounding

asked Jan 23, 2014 at 3:26

7 votes

1 answer

806 views

Coherent CW synchronization?

cw

asked Mar 1, 2014 at 6:57

7 votes

1 answer

321 views

Regenerative receiver interference?

receiver testing

asked Feb 22, 2014 at 3:37

7 votes

2 answers

2k views

Configuring an SDR for CW?

cw software-defined-radio

asked Feb 13, 2014 at 21:31

7 votes

2 answers

2k views

What protocol or API does WebSDR use to stream audio?

software-defined-radio software

asked Oct 27, 2014 at 22:04

7 votes

1 answer

502 views

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

rfi filter

asked Feb 25, 2017 at 21:28

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122 Questions

Using a Morse code key with a computer?

What is the peak voltage at the tips of a dipole antenna?

Bandwidth of a CW signal?

Capacitive hats on wire dipoles?

How does a "chip antenna" work?

What is a "roofing filter"?

Scoring quality of Morse Code "fist"?

Remote SDR on the internet other than WebSDR?

Operating proceedures: testing an HT against a repeater?

Audio frequency used for Morse code in licensing exams?

What is the record for the highest non-automated over-the-air CW WPM speed?

How many new amateur operators can currently use CW?

What are some ways to ground a transmitter+antenna in an enclosed attic?

Why do SDR control apps have two frequency settings?

How does a slot antenna work?

How does SDR demodulation differ between wideband and narrowband FM?

overhead power-line safety

IQ imbalance after quadrature mixing

Wire antenna slightly too long

Calculating the signal-to-noise ratio for CW (Morse Code) signals?

PL tone removal?

Required SSB sideband and carrier suppression?

What is a panadapter?

International characters in Morse Code?

Testing a possible grounding point?

Coherent CW synchronization?

Regenerative receiver interference?

Configuring an SDR for CW?

What protocol or API does WebSDR use to stream audio?

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