Amateur Radio

Famous Question

 Famous Question
Question with 10,000 views. This badge can be awarded multiple times.
Awarded 122 times.
How far do radio waves travel?
Awarded 19 hours ago
What is "Busy Channel Lockout"? Why do I want to control this feature?
Awarded Nov 26 at 2:19
Shortwave Antenna Listening with Portable Receiver Like TECSUN PL-660?
Awarded Oct 22 at 20:47
Comparision between BFSK and BPSK
Awarded Oct 6 at 16:47
How to choose the right sampling rate and bandwidth for RTL-SDR dongle?
Awarded Aug 12 at 14:53
HackRF One — Expected 'hackrf_transfer -t' file format and its creation?
Awarded Jul 19 at 19:06
International characters in Morse Code?
Awarded Jun 14 at 14:57
Adding and subtracting dB/dBm/dBi values
Awarded May 19 at 18:45
How to find the front-to-back ratio given an antenna radiation pattern diagram?
Awarded May 14 at 11:26
Operating proceedures: testing an HT against a repeater?
Awarded Apr 29 at 4:27
I have 60 feet of coax but only need 20 feet; can I loop up the excess?
Awarded Mar 7 at 18:21
BF-F8HP: "Radio did not respond" when trying to use CHIRP
Awarded Feb 25 at 23:32
Single Side Band AM vs FM
Awarded Feb 16 at 17:06
Grounding VHF base station antenna
Awarded Jan 29 at 19:55
Conversion from Baud to Bits per Second and then to Bytes per Second
Awarded Dec 23, 2022 at 6:06
How do I connect an antenna with coax output to my stereo?
Awarded Dec 5, 2022 at 22:09
When is RF grounding necessary, and when is it not?
Awarded Oct 16, 2022 at 20:42
receiving AM radio station on UHF frequency
Awarded Sep 18, 2022 at 20:46
What does a noise blanker really do, and what are the side effects?
Awarded Aug 25, 2022 at 0:33
Can you use a satellite dish for a ham radio antenna?
Awarded Jul 25, 2022 at 2:08
If i connect two antennas to one radio using a t connector will it work?
Awarded Jun 1, 2022 at 18:46
Looking for a UHF / VHF transceiver for PC.`
Awarded May 10, 2022 at 0:32
How to make a BaoFeng start/end transmission with sound
Awarded Apr 24, 2022 at 16:57
Decibel subtraction in dBm and dB
Awarded Apr 22, 2022 at 23:26
Converting WPM to CPM
Awarded Apr 15, 2022 at 10:35
Is "just listening" on EchoLink considered bad etiquette?
Awarded Feb 24, 2022 at 20:10
PL-259/SO-239 vs N Type vs BNC which is best connector to use when?
Awarded Jan 25, 2022 at 16:05
Bandwidth of a CW signal?
Awarded Jan 25, 2022 at 2:06
Baofeng BF-888s radios don't talk to Baofeng BF-888s+ radios
Awarded Jan 22, 2022 at 10:56
What is the effect of using different number of radials with ground plane antenna
Awarded Jan 19, 2022 at 0:55
Protect rig from static charge on antenna
Awarded Dec 30, 2021 at 15:16
Using 75 Ω instead of 50 Ω coax feed
Awarded Nov 3, 2021 at 15:43
If I receive an SOS signal, what is the proper response?
Awarded Oct 28, 2021 at 16:48
Does a 1/2 wavelength end-fed antenna need a good RF ground?
Awarded Oct 24, 2021 at 14:26
What is the impedance of an end-fed half-wave antenna?
Awarded Oct 12, 2021 at 18:33
Are Baofeng radios illegal in the U.S?
Awarded Sep 23, 2021 at 17:33
UV-5R 4W BFB297 vs UV-5R 8W BFP3-23 (difference 4W vs 8W)
Awarded Sep 19, 2021 at 19:56
Tytera MD-380 software (DMR radio software) not working on Windows 10
Awarded Sep 19, 2021 at 18:48
How to make a PTT button for Baofeng UV-5R
Awarded Sep 19, 2021 at 5:27
How do I power my radio in a vehicle mobile install?
Awarded Sep 18, 2021 at 4:50
What is a "calling frequency"?
Awarded Sep 17, 2021 at 16:18
How does the length of a metal sleeve around a (shieled) coax cable affect antenna performance?
Awarded Sep 11, 2021 at 1:32
How can I protect equipment against a lightning strike?
Awarded Aug 30, 2021 at 20:08
Is a ground plane necessary for transmitting and receiving with a vertical (monopole) antenna?
Awarded Jul 19, 2021 at 18:06
Is an antenna analyzer necessary for building antennas?
Awarded Jul 8, 2021 at 6:05
How to detect common-mode currents or “RF in the shack”?
Awarded May 29, 2021 at 22:31
How to calculate single-stub match (general case)?
Awarded Apr 29, 2021 at 21:56
calculating all specifics for a 5/8 antenna
Awarded Mar 28, 2021 at 17:20
What frequencies should I listen to for packet radio?
Awarded Feb 16, 2021 at 2:11
Aluminum vs copper antenna element lengths
Awarded Feb 1, 2021 at 8:40
How do I legally use a Baofeng UV-5R radio for communication?
Awarded Jan 4, 2021 at 20:40
Where are the baluns for VHF and higher? How can one be made?
Awarded Dec 27, 2020 at 11:27
Wifi passive repeater (antenna to antenna connection)
Awarded Dec 18, 2020 at 20:01
Building a portable event repeater
Awarded Dec 12, 2020 at 10:06
How to determine antenna height for given HF frequency and coverage radius?
Awarded Dec 10, 2020 at 19:55
Trouble communicating between Baofeng and Midland walkies
Awarded Dec 3, 2020 at 14:04
What is the peak voltage at the tips of a dipole antenna?
Awarded Nov 19, 2020 at 14:35
How To Join Packet Radio BBS
Awarded Nov 14, 2020 at 0:07
What is the cause of this unusually long period of terrible HF band conditions?
Awarded Nov 5, 2020 at 3:11
How can I decode an AFSK 1200 baud audio clip? (ISS)
Awarded Oct 24, 2020 at 17:12
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