Amateur Radio

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 Editor
First edit.
Awarded 1028 times.
hackrf, soapy, soapy hackrf
Awarded 2 days ago
Alinco DJ 500 is having a problem hitting 440 repeaters, the PL and the offset are good and the input IS IN THE BAND. Other HT works great with rpt
Awarded 2 days ago
Help on identifying signal type and extract audio from a signal
Awarded 2 days ago
(post deleted or otherwise unavailable)
Awarded 2 days ago
How do I go about taking an exam?
Awarded Nov 25 at 14:25
How to build the best bang for yhe buck uhf vhf antenna or should i just buy one
Awarded Nov 23 at 3:56
How to determine the PPM value of a NESDR SMArt?
Awarded Nov 16 at 21:27
Antenna array's relative phase changes at each measurement trail
Awarded Nov 9 at 3:58
What could cause an Icom IC-756 Pro II to suddenly stop transmitting?
Awarded Nov 4 at 16:05
Can an American General licensee operate in Portugal during a visit?
Awarded Nov 3 at 1:18
How can AM radio work differently when approaching the true frequency from different directions?
Awarded Nov 1 at 19:10
Calculating a real antenna gain from electric field strength?
Awarded Nov 1 at 13:40
Is FM effectively spread spectrum?
Awarded Oct 31 at 12:31
How to understand the time in Gnuradio?
Awarded Oct 31 at 9:42
When to use TSQL vs TONE for a (2m) repeater?
Awarded Oct 31 at 8:58
Why does a peak remain at -10db gain and disappear at -50db gain?
Awarded Oct 28 at 11:33
Are there any modes that use pseudo-random noise codes to "amplify" signals?
Awarded Oct 28 at 7:55
UHF 70cm unlicensed use
Awarded Oct 24 at 21:51
What type of metal, length & diameter should i use to build a vertical antenna to listen to airband frequencies (118-137Mhz)?
Awarded Oct 24 at 9:26
6.765 - 6.795 MHz ISM band for prototype testing
Awarded Oct 18 at 17:05
How does tuning in 2.4 GHz Wifi radios work?
Awarded Oct 16 at 20:33
does the shape of an antenna ground plane matter?
Awarded Oct 16 at 14:04
Did I brick my Yaesu ft-780r
Awarded Oct 16 at 3:02
Chimney Flashing Affect on Dipole Antenna Resonance
Awarded Oct 15 at 16:26
feeding a 20 meter 2-element yagi in an attic
Awarded Oct 15 at 3:08
Does ERP power depend on transmitter duty cycle?
Awarded Sep 28 at 11:33
Baofeng UV-5R ~ 800MHz transmission enabled
Awarded Sep 26 at 15:20
Can I use a Hawaiian call sign on the mainland?
Awarded Sep 26 at 15:07
If i connect two antennas to one radio using a t connector will it work?
Awarded Sep 21 at 12:55
Baofeng UV-5R: Severe static/interference on UHF frequencies
Awarded Sep 11 at 20:32
Why do we use decibels in radio?
Awarded Sep 11 at 3:36
Antenna reciprocity how does an antenna increase receiving range?
Awarded Sep 6 at 7:55
Where can I go for ham radio reviews? [closed]
Awarded Aug 19 at 1:31
How do I set the spectrum scope gain on the Icom IC-7300?
Awarded Aug 8 at 14:27
(post deleted or otherwise unavailable)
Awarded Aug 5 at 6:12
What happens if I “open” a folded dipole so that the two wires are not connected anymore?
Awarded Aug 2 at 11:46
How can I protect equipment against a lightning strike?
Awarded Jul 28 at 22:16
(post deleted or otherwise unavailable)
Awarded Jul 25 at 19:09
Baofeng UV-9G keypad functions
Awarded Jul 24 at 16:48
(post deleted or otherwise unavailable)
Awarded Jul 21 at 3:11
What happens if I “open” a folded dipole so that the two wires are not connected anymore?
Awarded Jul 16 at 13:50
For an HF antenna I am using a mesh dipole (10sq meters) with surprising good results on 7MHz how does it work?
Awarded Jul 12 at 8:17
(post deleted or otherwise unavailable)
Awarded Jul 11 at 19:26
How to identify this vacuum tube?
Awarded Jul 4 at 10:25
Putting up a tower on my residential property
Awarded Jun 27 at 9:58
(post deleted or otherwise unavailable)
Awarded Jun 24 at 17:20
Why is analog TV vestigal side band and not SSB?
Awarded Jun 24 at 16:02
(post deleted or otherwise unavailable)
Awarded Jun 15 at 18:25
(post deleted or otherwise unavailable)
Awarded Jun 14 at 20:26
Is an Icom radio’s model ID info available via a CI-V command?
Awarded Jun 12 at 9:50
Digital Protocols, Public Documentation, and Encoded Messages
Awarded Jun 11 at 20:30
RF switch for half-duplex sequencing on amateur UHF satellite ground station
Awarded Jun 6 at 22:36
Yaesu FT817ND + (Bluetooth) CAT control + ESP32 microcontroller: reading SWR "programmatically"?
Awarded Jun 1 at 9:00
(post deleted or otherwise unavailable)
Awarded May 19 at 3:11
What does CQ NM mean in FT8?
Awarded May 17 at 14:43
HAMRS logging app dumped all data
Awarded May 14 at 22:16
(post deleted or otherwise unavailable)
Awarded May 4 at 7:31
What is dB(μV/m), and what are its applications?
Awarded Apr 25 at 16:04
Looking for a Mic-E APRS encoding routine
Awarded Apr 19 at 9:17
What is Spectral Subtraction for noise reduction?
Awarded Apr 18 at 17:40
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