Skip to main content
Amateur Radio

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 1672 times.
What does antenna frequency range mean in practice?
Awarded yesterday
How does the Maximum Power Transfer Theorem relate to RF power amplifiers?
Awarded yesterday
How much loss is there in traps, really?
Awarded yesterday
Can I float an SLA 12v battery at 13.8V forever?
Awarded 2 days ago
How do I interpret the FCC ground conductivity map files?
Awarded Dec 9 at 12:30
Turning a microwave oven into a transceiver
Awarded Dec 9 at 4:19
Not participating in contests
Awarded Dec 8 at 17:39
Why does AM have sidebands?
Awarded Dec 7 at 9:28
Broken IF Transformer (tiny and 455 KHz)
Awarded Dec 7 at 4:21
Are there any antenna that can create disk like lobes?
Awarded Dec 6 at 18:52
Safety concerns with this Antenna in close proximity?
Awarded Dec 3 at 21:30
How to use FE-5650A rubidium frequency standard?
Awarded Dec 3 at 5:51
How to weather protect lightning arrester mounted directly on ground rod?
Awarded Dec 2 at 15:26
GNU Radio BPSK reception from ICOM SSB audio
Awarded Nov 23 at 6:42
Understanding how antenna mismatch can damage a transmitter
Awarded Nov 21 at 10:22
Problem with Baofeng BF-888 radios
Awarded Nov 19 at 20:34
HF Vertical antenna with no radial and loading coil but only ATU for 80m to 10m in a boat
Awarded Nov 17 at 21:10
Legal aspects of the HackRF one / SDR in Switzerland?
Awarded Nov 14 at 18:35
Why is VHF better than UHF in this situation?
Awarded Nov 14 at 18:27
ZS6BKW deaf on all bands except 40
Awarded Nov 14 at 15:38
How to make a 1:2 UnUn
Awarded Nov 13 at 14:42
Is this mystery antenna suitable for ham radio?
Awarded Nov 11 at 12:11
Repeater Features: What is e-power and link?
Awarded Nov 11 at 5:35
Is there a freely accessible repeater database?
Awarded Nov 10 at 19:02
Why are many ground radials preferable to a single ground stake buried 1m deep?
Awarded Nov 10 at 18:39
How to make ELF-ULF antenna myself?
Awarded Nov 7 at 4:17
CW skimmers and spotting networks?
Awarded Nov 5 at 0:11
Is it ok to use a length of wire as an RX only antenna to test my new radio?
Awarded Nov 4 at 18:35
SSB Transceiver Architecture - USB with Crystal Filter
Awarded Nov 3 at 22:45
Need some help to design a DIY MW Radio receiver
Awarded Nov 3 at 1:41
How to avoid overflow in embedded python block in GNURadio?
Awarded Oct 30 at 15:40
What devices are able to decode the EAS SAME headers, attention signal, and encoded marker?
Awarded Oct 29 at 20:12
Can I communicate 40 miles away with a base setup
Awarded Oct 27 at 3:46
How is the PRC-152 able to achieve such a wide frequency range?
Awarded Oct 25 at 23:04
Where can I find a service manual for the TECSUN PL-660 to replace the failed circuit board flex cable myself?
Awarded Oct 25 at 13:39
Do I need an antenna tuner for new mobile antenna
Awarded Oct 25 at 2:03
cubical quad reflector tuning stub design
Awarded Oct 24 at 15:31
VNA basics, antenna coax cable
Awarded Oct 21 at 18:05
Is an antenna resonant at the frequency of lowest impedance?
Awarded Oct 21 at 12:16
Why do mag mounts not achieve proper grounding seeing as the coax outer connects to ground?
Awarded Oct 21 at 1:41
In which direction should single wire antenna in underground parking be pointed?
Awarded Oct 17 at 21:48
Wouxun KG-UV6D PMR frequency "spillover"
Awarded Oct 17 at 17:02
Antenna grounding / bonding in relation to my AC service (with pictures)
Awarded Oct 17 at 15:26
How can the impedance of a half wave dipole at its resonant frequency be purely resistive when the voltage and current are seemingly not in phase?
Awarded Oct 15 at 16:16
Transmitted audio coming out through my speaker
Awarded Oct 14 at 22:17
What are the FCC's bandwidth restrictions for the various amateur bands?
Awarded Oct 10 at 21:11
What's this digital mode on 40 meters?
Awarded Oct 10 at 13:43
Selecting antenna for rocket telemetry system
Awarded Oct 9 at 16:17
What AGC should I use in an Icom IC-705 when doing FT8 or other digital modes with WSJT-X?
Awarded Oct 7 at 8:46
Using earphones as a dipole antenna
Awarded Oct 6 at 13:19
How to determine the problem with my FT8 TX in WSJT-X?
Awarded Oct 4 at 2:56
Can't connect to my Yaesu FT5D on Windows, what could be the problem?
Awarded Oct 3 at 20:18
Can the ham technician test be set up so a volunteer examiner can read it to the test taker who cannot read well?
Awarded Oct 2 at 16:06
What's the protocol when making a call on the ISS repeater?
Awarded Oct 2 at 12:47
What is an expected IF level of SA612?
Awarded Oct 1 at 13:35
Can I use a “bunny ears” TV antenna for RTL-SDR?
Awarded Oct 1 at 5:32
Two devices + one antenna
Awarded Sep 29 at 23:06
Does an amateur radio licence work worldwide? [closed]
Awarded Sep 28 at 17:36
Pondering variations on the vertical bazooka antenna
Awarded Sep 28 at 11:35
Can I power a QRP station with an USB powerbank?
Awarded Sep 27 at 21:09
1
2 3 4 5
…
28