Skip to main content
Amateur Radio

Nice Question

 Nice Question
Question score of 10 or more. This badge can be awarded multiple times.
Awarded 329 times.
Can a Baofeng UV-5R Display Both Name and Frequency Simultaneously?
Awarded Nov 14 at 8:34
Building a portable event repeater
Awarded Nov 1 at 6:05
Is it legal to transmit with HackRF one?
Awarded Oct 15 at 17:51
Why is antenna aperture a function of wavelength?
Awarded Sep 10 at 16:50
How are secret encodings not a violation of amateur radio regulations?
Awarded Jun 20 at 3:42
Why is this requirement in 60m in the US?
Awarded May 3 at 14:18
How does IQ modulation work (intuitively)?
Awarded Apr 23 at 12:18
Moon->Earth 433MHz link achievable digital bandwidth
Awarded Mar 22 at 8:34
How can I do direct digital synthesis of a 630m WSPR signal?
Awarded Mar 8 at 5:31
Why isn't twisted pair used for feedlines?
Awarded Jan 16 at 1:57
Why do SDR control apps have two frequency settings?
Awarded Dec 24, 2023 at 2:49
Connect two receiving antennas to the same radio
Awarded Oct 17, 2023 at 20:30
Has a vehicle magnetic antenna mount ever caused a road accident?
Awarded Oct 7, 2023 at 16:41
What is a "calling frequency"?
Awarded Sep 24, 2023 at 7:11
Why bother to have a high power base station when mobile units are generally low-power?
Awarded Jul 25, 2023 at 13:12
Can you use a satellite dish for a ham radio antenna?
Awarded May 22, 2023 at 1:58
What was the origin of the Morse code abbreviations "hi" and "es"?
Awarded May 15, 2023 at 16:56
Why don't monolithic HF transceiver ICs exist?
Awarded May 13, 2023 at 14:11
Grounding VHF base station antenna
Awarded Apr 16, 2023 at 23:56
Am I really receiving FT8 signals from 12,000 km away on 144 MHz?
Awarded Jan 4, 2023 at 15:42
Is there any legal recourse against unauthorized usage of a private repeater in the USA?
Awarded Nov 16, 2022 at 15:27
Real world performance of magnetic loop antennas?
Awarded Oct 21, 2022 at 23:46
Understanding power supply requirements
Awarded Oct 16, 2022 at 12:41
What "test transmissions" are allowed above 51MHz?
Awarded Oct 12, 2022 at 21:17
How do GPS receivers communicate with satellites?
Awarded Oct 12, 2022 at 14:51
Why do we use decibels in radio?
Awarded Sep 11, 2022 at 18:04
What is a fixed digital message forwarding system?
Awarded Sep 4, 2022 at 4:22
What is the actual loss in a feed line with high SWR?
Awarded Jun 28, 2022 at 23:58
On which of these frequencies can I transmit without a license?
Awarded Jun 21, 2022 at 19:26
What does CQ NM mean in FT8?
Awarded May 18, 2022 at 14:10
Would it be possible for a software-defined FM receiver to demodulate two signals on the same frequency?
Awarded May 10, 2022 at 16:05
Audio frequency used for Morse code in licensing exams?
Awarded May 9, 2022 at 4:34
If two antennas of 50 Ω and 377 Ω have VSWR=1:1, then which one is more efficient?
Awarded Mar 21, 2022 at 8:41
How can I calibrate a SWR meter?
Awarded Feb 7, 2022 at 6:35
Hanging a dipole from a tree not code compliant?
Awarded Jan 15, 2022 at 12:56
Hearing Morse code after end of session?
Awarded Jan 13, 2022 at 16:50
Calculating Doppler Shift for satellites
Awarded Dec 20, 2021 at 23:57
What is the record for the highest non-automated over-the-air CW WPM speed?
Awarded Dec 8, 2021 at 0:11
Better explanation for beyond-line-of-sight VHF signal reach than "lower curvature to radio waves"
Awarded Nov 18, 2021 at 0:40
AIS and RTL-SDR Dongles
Awarded Nov 13, 2021 at 17:02
Do FCC regulations limit digital data rate?
Awarded Oct 28, 2021 at 6:32
What transfer rates are actually achievable using known digital modes?
Awarded Oct 21, 2021 at 21:36
I can copy 15wpm how to to continue?
Awarded Oct 8, 2021 at 1:19
What is a "roofing filter"?
Awarded Oct 7, 2021 at 13:25
APRS digi path for ISS digipeater?
Awarded Oct 7, 2021 at 2:36
Why do operators mention the band when calling CQ on phone?
Awarded Aug 28, 2021 at 5:11
Single or Dual Paddle Key?
Awarded Aug 26, 2021 at 16:10
What is the appropriate length of an antenna for a handheld on 2 meters?
Awarded Aug 25, 2021 at 12:50
How can I get rid of RFI coming from my house solar panel inverter?
Awarded Aug 21, 2021 at 17:12
Phasing harness for antenna array
Awarded Aug 15, 2021 at 22:57
Why do we have to hand wind toroids?
Awarded Aug 4, 2021 at 0:26
Could a weather balloon make a good antenna?
Awarded Jul 27, 2021 at 3:57
Remote SDR on the internet other than WebSDR?
Awarded Jul 22, 2021 at 13:42
What's the difference between "maximum usable" and "critical" frequencies?
Awarded Jun 1, 2021 at 4:31
Is Using PMR446 On A Baofeng GT3-MK3 HAM Radio Legal (If on low power)?
Awarded May 13, 2021 at 16:07
FCC sends "Notice of Dismissal" with quite threatening language just for denial of a vanity callsign?
Awarded May 12, 2021 at 17:10
Why do people say, "get a nickel," on repeaters?
Awarded May 7, 2021 at 15:30
What is a CQ contest and what is the proper way to respond to a CQ contest call?
Awarded May 2, 2021 at 22:27
Can a 1:1 transformer be used as a protection from static electricity?
Awarded Apr 30, 2021 at 6:38
Why does AM have sidebands?
Awarded Apr 20, 2021 at 1:48
1
2 3 4 5 6