Amateur Radio

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Awarded 919 times.
Why do single band 10 meter radios exist?
Awarded yesterday
FSK: Selecting center frequencies and Carson's Rule
Awarded Mar 14 at 0:08
Why does my received power rise so much when I connect an antenna?
Awarded Feb 25 at 11:27
Is the noisy spectrum from 20MHz to 330 MHz normal?
Awarded Feb 16 at 13:36
Off-center fed long wire antenna
Awarded Feb 14 at 5:06
Why does SWR of a dipole decrease the closer it is to the ground?
Awarded Feb 13 at 19:57
Is 100m too long for hf feed wire?
Awarded Feb 10 at 16:15
HF vertical 1/4w antenna on a tin roof?
Awarded Feb 8 at 13:56
Connect mobile device with coax cable to SDR board
Awarded Feb 7 at 22:33
Can I use 14/2 UF-B wire as transmission line?
Awarded Jan 26 at 0:57
TV Coax cable for QFH antenna
Awarded Jan 24 at 8:21
What kind of crimp part is used for stress relief on dipole?
Awarded Jan 22 at 4:25
Why can a monopole antenna receive wavelengths significantly longer than its physical length?
Awarded Jan 12 at 22:26
Would it be possible to light up a bulb wired one side to a transmitting antenna?
Awarded Jan 5 at 16:18
Why some QO-100 setups use GNSS
Awarded Dec 30, 2022 at 15:11
Lack of understanding in the APRS specification for LoRa
Awarded Dec 30, 2022 at 13:40
How do the governments trace the frequencies such as satellites?
Awarded Dec 28, 2022 at 6:42
Connect an LTE ("4G") signal booster (amplifier) directly to my router will break it?
Awarded Dec 21, 2022 at 5:05
Can I reverse a passive high pass filter?
Awarded Dec 8, 2022 at 1:11
Could a non-licensee transmit to a licensed person remotely, if the licensed person ensures they follow laws?
Awarded Dec 6, 2022 at 17:51
How do I go about taking an exam?
Awarded Nov 29, 2022 at 3:10
HF Vertical antenna with no radial and loading coil but only ATU for 80m to 10m in a boat
Awarded Nov 16, 2022 at 14:30
How can AM radio work differently when approaching the true frequency from different directions?
Awarded Nov 3, 2022 at 16:47
Are there any modes that use pseudo-random noise codes to "amplify" signals?
Awarded Nov 3, 2022 at 8:56
Calculating a real antenna gain from electric field strength?
Awarded Nov 2, 2022 at 2:40
Smith Chart - constant resistance circle and infinite resistance at right
Awarded Oct 30, 2022 at 16:08
Looking for specifications for Wilson Electronics WAU 420 amplifier
Awarded Oct 21, 2022 at 11:46
What balance (radials or counterpoise) do I need for a vertical hamstick as a stealth antenna?
Awarded Oct 15, 2022 at 20:27
How do GPS receivers communicate with satellites?
Awarded Oct 11, 2022 at 20:27
seeking links info for design and theory of handheld VHF UHF antennas
Awarded Oct 8, 2022 at 21:07
ISS repeater on a Baofeng?
Awarded Oct 3, 2022 at 20:55
Does ERP power depend on transmitter duty cycle?
Awarded Sep 29, 2022 at 11:07
SMA Connector Impedance
Awarded Sep 19, 2022 at 11:40
Why do radio operators sometimes use meters and other times use hertz?
Awarded Sep 11, 2022 at 18:37
What is the best type of feedline for a base UHF VHF ground plane antenna with a distance of around 50-75 feet of coax?
Awarded Aug 30, 2022 at 20:02
does the shape of an antenna ground plane matter?
Awarded Aug 22, 2022 at 7:04
What happens if I “open” a folded dipole so that the two wires are not connected anymore?
Awarded Jul 31, 2022 at 22:16
Baofeng UV-9G keypad functions
Awarded Jul 25, 2022 at 12:03
Really a Class C design?
Awarded Jul 8, 2022 at 22:19
Descrambling/dewhitening in GNURadio
Awarded Jul 6, 2022 at 16:57
Extend transmit range of my HT
Awarded Jun 25, 2022 at 21:51
Can the 902-928MHz ISM band be used in Kazakhstan?
Awarded Jun 20, 2022 at 20:42
Digital Protocols, Public Documentation, and Encoded Messages
Awarded Jun 14, 2022 at 4:15
Vertex Standard VZ-28 - Unable to import settings into software due to password
Awarded Jun 5, 2022 at 2:11
How is it possible for a halfwave dipole antenna to be resonant?
Awarded Jun 1, 2022 at 19:27
Help on identifying signal type and extract audio from a signal
Awarded May 17, 2022 at 2:48
Sine wave 'frequency' in recorded signals
Awarded May 13, 2022 at 10:42
How do I wire an external mic and speaker to the Yaesu FT-250R without using their adapter?
Awarded May 12, 2022 at 4:15
What is the difference between antenna input impedance and its radiation resistance?
Awarded May 8, 2022 at 15:37
Transmission power of Apple Wi-Fi antennas (EMF and health)
Awarded May 7, 2022 at 7:52
Why are longer antennas not suitable to pick higher frequencies?
Awarded May 6, 2022 at 12:11
Can someone without privileges on a band operate FT8 on it using the callsign of a ham who does and is present?
Awarded May 5, 2022 at 15:27
VNA basics, antenna coax cable
Awarded Apr 22, 2022 at 2:02
Does the specific frequency of a CW tone make a difference to output from a practical SDR?
Awarded Apr 20, 2022 at 15:51
What's the effect of directly connecting ladder line to coax?
Awarded Apr 5, 2022 at 19:55
Correct terminology for a repeating radio transmission
Awarded Apr 5, 2022 at 9:15
Best CW Low Cut & High Cut Slope Settings on the Yaesu FT-991A?
Awarded Mar 24, 2022 at 15:17
Can you base64 encode or compress ham transmissions [US]?
Awarded Mar 21, 2022 at 4:15
In Canada, if I want to use DMR encryption on ham radio, how should I share my encryption key?
Awarded Mar 8, 2022 at 1:40
What is a marker unit?
Awarded Mar 5, 2022 at 0:36
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