Amateur Radio

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How to run chirp with python3-based system (workaround found now)
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Writing "Wav" file in GNU Radio 3.9.0
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horizontal EFHW antenna attached to gutter
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How would I calculate aperture efficiency for an antenna?
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Dominant speeds of Morse Communications
Awarded Nov 29 at 22:06
How to renew an expired US license as an expat?
Awarded Nov 29 at 1:48
Strange image of concentric circles…magnetic field? [closed]
Awarded Nov 28 at 22:17
Simple antenna for an old Grundig Satellit 800
Awarded Nov 25 at 15:31
If receive performance doesn't depend on SWR, then how can I tune my manual HF antenna tuner by band noise?
Awarded Nov 24 at 2:35
Calculating the signal-to-noise ratio for CW (Morse Code) signals?
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Connect RC car to Phone
Awarded Nov 22 at 8:16
Magnetic Loop Antenna with RFI Choke
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Improve AM reception on an old Walkman that has no external antenna
Awarded Nov 21 at 5:19
Frequency modulation with gnuradio
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How do dual band J poles work?
Awarded Nov 13 at 20:48
Why EME with 100W and a single Yagi-Uda antenna is possible?
Awarded Nov 13 at 17:34
440 MHz repeater, how would I set one up?
Awarded Nov 12 at 16:52
What balance (radials or counterpoise) do I need for a vertical hamstick as a stealth antenna?
Awarded Nov 9 at 1:42
Multi-wire EFHW?
Awarded Nov 8 at 19:03
Measurement of antenna with VNA does not match its specs
Awarded Nov 8 at 2:36
Do PCB antennas suit for NOAA and ADS-B?
Awarded Nov 5 at 10:05
License problem in Spain
Awarded Nov 1 at 21:21
Need advice for running coax for HF to my shack
Awarded Oct 30 at 22:03
using 3.10 gnuradio and hackrf to make a signal generator
Awarded Oct 30 at 0:27
What is the process of making a voice contact?
Awarded Oct 29 at 22:41
What is the proper way to log participation in a net?
Awarded Oct 25 at 20:07
Why is IC-7300 transmitting at zero power in "Rig" split mode with WSJT-X and FT8?
Awarded Oct 24 at 15:26
Optimal antenna orientation for High altitude balloon?
Awarded Oct 23 at 21:27
Antenna suggestions for SDRPlay RSP1A
Awarded Oct 22 at 1:42
What does a lightning bolt symbol next to an antenna connector mean?
Awarded Oct 20 at 14:46
Building an AM Radio receiver
Awarded Oct 16 at 6:03
If I cancel my amateur license, will my address be removed from the FCC database?
Awarded Oct 14 at 19:17
VHF 50 Ω Antenna Over 75 Ω TV Coax
Awarded Oct 12 at 15:50
What kind of soldering iron is best for PL-259 (UHF) connectors?
Awarded Oct 11 at 22:10
How to derive antenna gain from radiation pattern
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Advantages of IQ mixer versus direct sampling SDR architectures?
Awarded Oct 4 at 7:37
How to measure received signal strength, using DIY circuit
Awarded Oct 3 at 19:18
What are the requirements of the address given for a US licence?
Awarded Oct 2 at 10:32
Core mix preferences for a balun (or unun) vs a choke
Awarded Sep 24 at 19:18
Questions about effective isotropic sensitivity(EIS)
Awarded Sep 22 at 12:05
What is the optimum length for a random longwire on 10m?
Awarded Sep 20 at 15:48
Is it legal to transmit scrambled or encrypted voice via SSB on ham bands?
Awarded Sep 20 at 2:55
Partially Collapse Telescoping Antenna to Change Effective Length
Awarded Sep 17 at 23:56
Suggestions for mounting a mini-whip as high as possible
Awarded Sep 17 at 14:37
Cannot connect Quansheng UV-K5(8) with programming cable
Awarded Sep 16 at 13:56
How do I use multiple antennas with two or more radios?
Awarded Sep 14 at 7:35
Proper way to announce call sign at start/end
Awarded Sep 12 at 15:40
For a half wave dipole antenna, what's the value of the reactances that cancel out when the antenna is resonant?
Awarded Sep 9 at 10:06
What is the best time of day to contact Japan from the east coast?
Awarded Sep 8 at 6:41
SWR of 1.5 -- use internal antenna tuner or not?
Awarded Sep 5 at 6:48
How do you calculate the number of turns for a common mode choke?
Awarded Sep 3 at 19:56
Looking for origins of a crystal filter schematic used in uBITX
Awarded Sep 2 at 16:27
Practicality of SDR-based TX/RX
Awarded Sep 1 at 0:40
Stacking Two UHF Yagi Antennas
Awarded Aug 30 at 22:56
Synchronizing HackRF Ones at a distance
Awarded Aug 29 at 20:56
How do you keep your vehicle clean with a mobile antenna?
Awarded Aug 26 at 13:52
What are the dos and don'ts when it comes to retractable antennae for HTs?
Awarded Aug 26 at 8:06
Loop a long wire antenna or EFHW
Awarded Aug 26 at 4:25
Loop on ground for transmit?
Awarded Aug 23 at 6:43
Tweak antenna resonant frequency higher
Awarded Aug 20 at 14:53
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