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Amateur Radio

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 Popular Question
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Another Yaesu G-5400B output voltage question
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Audio tones and patterns used for fox-hunt transmitters?
Awarded Feb 25 at 10:33
How to make simple AM detector using an LED?
Awarded Feb 25 at 9:46
How to fix radio that my UV-5R receives signal only when I hold the MONI button even with squelch set from 0 to 9
Awarded Feb 23 at 16:20
Using Gaming Headset on FTDX3000
Awarded Feb 23 at 8:17
Installing GNU radio on android
Awarded Feb 17 at 8:53
What could cause an Icom IC-756 Pro II to suddenly stop transmitting?
Awarded Feb 16 at 7:16
Local phonetic alphabets
Awarded Feb 14 at 23:32
Extra class first?
Awarded Feb 13 at 13:38
Are circular polarized antennas on HF subject to polarization fading?
Awarded Feb 13 at 1:26
Are we allowed to use ISM bands for broadcast radio, television, or data?
Awarded Feb 12 at 9:56
Grounding of a portable setup
Awarded Feb 12 at 1:08
How to diagnose DRAKE TR7 power problem
Awarded Feb 10 at 23:33
What should a NanoVNA show for twisted pair impedance in TDR mode?
Awarded Feb 4 at 8:20
Space Requirements
Awarded Jan 31 at 20:47
How does single sideband work theoretically?
Awarded Jan 30 at 19:57
Rules of thumb for large ("somewhat" full wavelength) loop antennas?
Awarded Jan 30 at 2:30
Find blocks function on Gnuradio does not work
Awarded Jan 28 at 22:16
Purpose and sizing of capacitors placed across RF push-pull power amplifier transformer windings
Awarded Jan 26 at 13:16
Icom RS-MS3W setup
Awarded Jan 25 at 20:35
Software to decode Morse transmissions including explanation of abbreviations (like Q codes)
Awarded Jan 24 at 18:32
High-Z RF amplifier for magloop RX vs Q-factor
Awarded Jan 23 at 22:08
How do I configure a NanoVNA v2Plus4 to check a 1:1 Balun?
Awarded Jan 17 at 18:57
Do lightning rods attract or do they help prevent lightning?
Awarded Jan 16 at 2:36
What can be used to protect an SDR receiver against bursts?
Awarded Jan 13 at 15:30
miniature parabolic antenna
Awarded Jan 9 at 16:50
Can you receive GPS coordinates from a Garmin Astro dog collar on a handheld ham radio that has APRS?
Awarded Jan 7 at 1:50
Saving snapshot of NanoVNA (v2) data for later review, analysis, comparison, etc
Awarded Jan 6 at 19:30
Suitable acoustic foam rubber for headphones?
Awarded Jan 4 at 23:04
The whole neighborhood's internet drops when I transmit on 40M
Awarded Jan 1 at 16:09
Troubleshoot ICOM IC-745 intermittently shows no power on transmit
Awarded Dec 29, 2025 at 1:46
(When) does a transceiver re-reflect 100% of reflected power?
Awarded Dec 27, 2025 at 20:17
bizzare CW on 2m
Awarded Dec 23, 2025 at 4:47
How does the antenna noise temperature vary with antenna elevation?
Awarded Dec 23, 2025 at 1:51
Can a WLAN device be used with GNU Radio?
Awarded Dec 21, 2025 at 21:52
Transmission power of Apple Wi-Fi antennas (EMF and health)
Awarded Dec 9, 2025 at 6:31
RG-174 vs RG58 for winding toroid
Awarded Dec 6, 2025 at 15:41
RF ground confusion
Awarded Dec 3, 2025 at 17:35
Filtering for PSK31 demodulation
Awarded Dec 3, 2025 at 16:32
Raspberry Pi rpitx for SSB with filter?
Awarded Dec 3, 2025 at 15:47
What may be damaged when using an internal antenna tuner on SWR above 3?
Awarded Dec 3, 2025 at 15:38
Mobile Installation in 2016 Chevy Cruze
Awarded Dec 3, 2025 at 14:52
Wide band TX capable band-pass filter for VHF and Airband
Awarded Dec 3, 2025 at 14:04
Does an SWR higher than 1:1 necessarily cause additional heat in the transmitter?
Awarded Dec 3, 2025 at 13:48
Why do radio operators sometimes use meters and other times use hertz?
Awarded Dec 3, 2025 at 13:27
what is main reason for formation of side lobes in directional antennas?
Awarded Dec 3, 2025 at 11:53
Is ham the only non-criminal/civil broadcasting a person can do that doesn't own a shortwave radio station?
Awarded Dec 3, 2025 at 10:24
Coherent CW synchronization?
Awarded Dec 3, 2025 at 8:35
Waveguide size for 2.4 GHz
Awarded Nov 30, 2025 at 18:30
What does CQ NM mean in FT8?
Awarded Nov 30, 2025 at 2:05
Series resonant circuit, how to calculate voltage across the capacitor?
Awarded Nov 25, 2025 at 1:23
Is there an instance where you can directly feed a half wave dipole with coaxial cable without having to worry about balanced to unbalance?
Awarded Nov 25, 2025 at 1:12
Understanding Impedance (R+jx)
Awarded Nov 22, 2025 at 9:43
Can I use my US callsign to transmit while in El Salvador?
Awarded Nov 21, 2025 at 22:00
How can quadrature mixing adjust the phase of all frequencies by the same amount? Can it be done in the digital domain?
Awarded Nov 19, 2025 at 13:45
How to use RF Input B ports in GNU radio?
Awarded Nov 18, 2025 at 20:35
Baofeng UV5RA charger station error
Awarded Nov 18, 2025 at 14:34
How can a vertical Yagi for 10 m be mounted on on a vertical metal mast and be made to work properly? [duplicate]
Awarded Nov 17, 2025 at 13:07
How to Construct a Dual Polarization Cubical Quad Antenna for 10 m?
Awarded Nov 9, 2025 at 19:04
VOX mic that emulates PTT
Awarded Nov 8, 2025 at 12:22
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