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91 Questions

Views Newest Activity Votes

votes

answers

20k

views

Using a Morse code key with a computer?

cw remote-control

Jun 14 '18 at 2:24 krishan singh 1

votes

answers

views

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

Sep 26 at 23:52 Brian K1LI 4,842

votes

answers

views

Capacitive hats on wire dipoles?

antenna-construction

Jan 24 '19 at 4:10 user14067 21

votes

answers

626

views

Scoring quality of Morse Code “fist”?

Sep 21 '16 at 18:04 Joe Cotton 223

votes

answer

views

How does a “chip antenna” work?

antenna antenna-theory

Dec 15 '15 at 21:57 Community♦ 1

votes

answers

views

Remote SDR on the internet other than WebSDR?

software-defined-radio internet

May 4 at 6:04 hotpaw2 6,912

votes

answers

views

Bandwidth of a CW signal?

May 29 '18 at 22:19 sm5bsz 641

votes

answer

334

views

Why do SDR control apps have two frequency settings?

software-defined-radio rtl-sdr

Jul 2 '15 at 19:00 PearsonArtPhoto 5,558

votes

answer

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♦ 20.3k

votes

answer

views

overhead power-line safety

coaxial-cable safety

May 9 at 17:01 Community♦ 1

votes

answers

703

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♦ 20.3k

votes

answers

789

views

Wire antenna slightly too long

antenna-construction wire-antenna

Oct 23 '18 at 15:08 Old Pelican 57

votes

answers

views

Operating proceedures: testing an HT against a repeater?

procedure repeater testing

Aug 28 '18 at 19:00 nelgin 21

votes

answers

707

views

IQ imbalance after quadrature mixing

software-defined-radio receiver transverter

May 9 '18 at 3:17 Glenn W9IQ 17.3k

votes

answer

views

How does a slot antenna work?

antenna antenna-theory

Dec 15 '15 at 22:25 Kevin Reid AG6YO♦ 20.3k

votes

answer

views

Testing a possible grounding point?

grounding

Jan 23 '14 at 15:03 Ron J. KD2EQS 1,210

votes

answer

views

Audio frequency used for Morse code in licensing exams?

Jan 7 '14 at 22:25 K7AAY 694

votes

answers

179

views

Required SSB sideband and carrier suppression?

united-states legal ssb

Aug 8 at 14:06 Brian K1LI 4,842

votes

answers

731

views

How many new amateur operators can currently use CW?

Jul 7 at 19:29 KM4YWT James 1

votes

answers

194

views

Passively reducing ground loss?

antenna-theory wire-antenna antenna-system earth

Jun 7 at 9:44 Richard Fry 1,517

votes

answer

327

views

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

rfi filter

Feb 26 '17 at 12:51 Community♦ 1

votes

answers

views

International characters in Morse Code?

Nov 19 '15 at 5:19 Community♦ 1

votes

answer

252

views

Regenerative receiver interference?

receiver testing

Jul 5 '14 at 19:58 Bedfordian 146

votes

answer

views

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

cw signal-identification dsp

Jan 8 at 16:55 hotpaw2 6,912

votes

answer

159

views

PL tone removal?

tone-squelch

Mar 12 at 16:47 Walter Underwood K6WRU 1,813

votes

answer

643

views

Coherent CW synchronization?

Sep 18 '18 at 1:51 Phil Frost - W8II 35.8k

votes

answers

views

Morse Code meta-command sequences?

Jun 14 '18 at 22:24 natevw - AF7TB 4,346

votes

answers

166

views

SSB offset determination?

software-defined-radio ssb

Feb 6 '17 at 17:53 Mike Waters♦ 5,668

votes

answers

views

What protocol or API does WebSDR use to stream audio?

software-defined-radio software

Jan 14 '17 at 9:41 Community♦ 1

votes

answer

views

Noise bridge use in antenna construction?

antenna-construction

Mar 22 '16 at 7:36 Community♦ 1

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91 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?

Scoring quality of Morse Code “fist”?

How does a “chip antenna” work?

Remote SDR on the internet other than WebSDR?

Bandwidth of a CW signal?

Why do SDR control apps have two frequency settings?

How does SDR demodulation differ between wideband and narrowband FM?

overhead power-line safety

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

Wire antenna slightly too long

Operating proceedures: testing an HT against a repeater?

IQ imbalance after quadrature mixing

How does a slot antenna work?

Testing a possible grounding point?

Audio frequency used for Morse code in licensing exams?

Required SSB sideband and carrier suppression?

How many new amateur operators can currently use CW?

Passively reducing ground loss?

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

International characters in Morse Code?

Regenerative receiver interference?

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

PL tone removal?

Coherent CW synchronization?

Morse Code meta-command sequences?

SSB offset determination?

What protocol or API does WebSDR use to stream audio?

Noise bridge use in antenna construction?