User hotpaw2

5

19

votes

6

answers

29k

views

Using a Morse code key with a computer?

cw remote-control

Nov 26 '20 at 15:42 user18153 1

1

17

votes

3

answers

12k

views

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

Nov 4 '20 at 12:20 HAM RADIO 1

12

votes

4

answers

4k

views

Capacitive hats on wire dipoles?

antenna-construction

Jan 24 '19 at 4:10 user14067 21

11

votes

3

answers

10k

views

Bandwidth of a CW signal?

cw

May 29 '18 at 22:19 sm5bsz 794

10

votes

1

answer

106

views

What is a "roofing filter"?

receiver filter jargon

Sep 10 at 16:17 Mike Waters♦ 7,374

2

10

votes

4

answers

4k

views

Remote SDR on the internet other than WebSDR?

software-defined-radio internet

Jul 30 at 23:10 Radio Blogs 51

10

votes

4

answers

9k

views

Operating proceedures: testing an HT against a repeater?

procedure repeater testing

Aug 28 '18 at 19:00 nelgin 21

1

10

votes

2

answers

816

views

Scoring quality of Morse Code "fist"?

cw

Sep 21 '16 at 18:04 Joe Cotton 233

2

10

votes

1

answer

2k

views

How does a "chip antenna" work?

antenna antenna-theory

Dec 15 '15 at 21:57 CommunityBot 1

9

votes

3

answers

4k

views

Audio frequency used for Morse code in licensing exams?

cw

Sep 29 at 0:49 rclocher3♦ 8,078

9

votes

1

answer

532

views

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

cw dsp

Nov 4 '20 at 16:29 rclocher3♦ 8,078

9

votes

1

answer

115

views

overhead power-line safety

coaxial-cable safety

May 9 '19 at 17:01 CommunityBot 1

9

votes

2

answers

1k

views

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

grounding antenna-system

Dec 20 '18 at 22:10 Kevin Reid AG6YO♦ 22.2k

9

votes

5

answers

3k

views

Wire antenna slightly too long

antenna-construction wire-antenna

Oct 23 '18 at 15:08 Old Pelican 57

1

9

votes

2

answers

783

views

IQ imbalance after quadrature mixing

software-defined-radio receiver transverter

May 9 '18 at 3:17 Glenn W9IQ 18k

1

9

votes

1

answer

4k

views

How does a slot antenna work?

antenna antenna-theory

Dec 15 '15 at 22:25 Kevin Reid AG6YO♦ 22.2k

1

9

votes

1

answer

349

views

Why do SDR control apps have two frequency settings?

software-defined-radio rtl-sdr

Jul 2 '15 at 19:00 PearsonArtPhoto 5,873

2

9

votes

1

answer

2k

views

How does SDR demodulation differ between wideband and narrowband FM?

modes software-defined-radio fm

Feb 23 '14 at 15:24 Kevin Reid AG6YO♦ 22.2k

1

8

votes

2

answers

5k

views

What is a panadapter?

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

Feb 10 '20 at 2:06 user10489 3,389

8

votes

4

answers

410

views

Required SSB sideband and carrier suppression?

united-states legal ssb

Aug 8 '19 at 14:06 Brian K1LI 7,625

8

votes

4

answers

1k

views

How many new amateur operators can currently use CW?

cw

Jul 7 '19 at 19:29 KM4YWT James 1

8

votes

1

answer

233

views

PL tone removal?

tone-squelch

Mar 12 '19 at 16:47 Walter Underwood K6WRU 1,908

2

8

votes

6

answers

8k

views

International characters in Morse Code?

cw

Nov 19 '15 at 5:19 CommunityBot 1

8

votes

1

answer

63

views

Testing a possible grounding point?

grounding

Jan 23 '14 at 15:03 Ron J. KD2EQS 1,270

1

7

votes

5

answers

2k

views

Why are an antenna’s nulls sharper than its lobes?

antenna-theory

Jul 22 at 15:40 supercat 121

7

votes

3

answers

305

views

Passively reducing ground loss?

antenna-theory wire-antenna antenna-system earth

Jun 7 '19 at 9:44 Richard Fry 2,772

7

votes

1

answer

470

views

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

rfi filter

Feb 26 '17 at 12:51 CommunityBot 1

2

7

votes

2

answers

2k

views

What protocol or API does WebSDR use to stream audio?

software-defined-radio software

Jan 14 '17 at 9:41 CommunityBot 1

2

7

votes

2

answers

2k

views

Configuring an SDR for CW?

cw software-defined-radio

Jul 12 '14 at 0:37 user2338215 226

1

7

votes

1

answer

305

views

Regenerative receiver interference?

receiver testing

Jul 5 '14 at 19:58 Bedfordian 161

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119 Questions

Using a Morse code key with a computer?

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

Capacitive hats on wire dipoles?

Bandwidth of a CW signal?

What is a "roofing filter"?

Remote SDR on the internet other than WebSDR?

Operating proceedures: testing an HT against a repeater?

Scoring quality of Morse Code "fist"?

How does a "chip antenna" work?

Audio frequency used for Morse code in licensing exams?

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

overhead power-line safety

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

Wire antenna slightly too long

IQ imbalance after quadrature mixing

How does a slot antenna work?

Why do SDR control apps have two frequency settings?

How does SDR demodulation differ between wideband and narrowband FM?

What is a panadapter?

Required SSB sideband and carrier suppression?

How many new amateur operators can currently use CW?

PL tone removal?

International characters in Morse Code?

Testing a possible grounding point?

Why are an antenna’s nulls sharper than its lobes?

Passively reducing ground loss?

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

What protocol or API does WebSDR use to stream audio?

Configuring an SDR for CW?

Regenerative receiver interference?