Amateur Radio Beta

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Awarded 711 times.
Easy Digi hum with isolated ground
Awarded 13 hours ago
Importance of Ferrite Size in Coax Choke Balun
Awarded yesterday
Change of Address and Callsign Zone
Awarded yesterday
Send on-off radio signal 5,000km
Awarded yesterday
Any reason not to choose a discone antenna over a Wide/ MultiBand mobile antenna for TX/RX operations
Awarded May 26 at 14:56
Modelling a “fan dipole” or “fan inverted vee” using EZNEC - unexpected result
Awarded May 19 at 21:42
Need antenna for mobile mag-mount LPFM broadcast 88.3 MHz
Awarded May 18 at 4:16
How to connect IC-271 DC power connector to 12 V battery
Awarded May 17 at 4:05
Can I use old TV FM card as SDR?
Awarded May 16 at 19:17
Can these in-band spurs from rpitx be eliminated somehow?
Awarded May 12 at 2:02
Determining one exact antenna length for a whole band (e.g. FM/AM broadcast, Bluetooth and others)
Awarded May 11 at 14:36
Problem of two SAW fitler?
Awarded May 9 at 5:08
Problem with RTL-SDR v3 dongle - unusable PLL
Awarded May 4 at 8:04
Getting Started In Ham Radio
Awarded Apr 29 at 14:49
Why is a separate repeater required for digital modes? Why can't an analog repeater be used for digital modes?
Awarded Apr 29 at 1:50
Why can't we use a simple wire for receiving 2.4 GHz signals?
Awarded Apr 27 at 17:19
What exactly is impedance?
Awarded Apr 24 at 16:50
HopeRF in Narrow Band
Awarded Apr 24 at 15:03
Designing a helical antenna for a dish
Awarded Apr 23 at 21:35
Repeater Features: What is e-power and link?
Awarded Apr 20 at 3:27
Handheld multiband radio for a ham firefighter?
Awarded Apr 18 at 20:48
How can I make WBFM receiver without using WBFM Receive block?
Awarded Apr 17 at 6:07
How long does it take the FCC to process vanity requests?
Awarded Apr 13 at 0:55
Should I use the same grounding rod to ground my radio and my random wire antenna?
Awarded Apr 9 at 21:50
I configured FlDIGI to dislay letters before my PSK31 signal and then I forgot how I did it
Awarded Apr 8 at 7:40
Detect multiple broadcast on same channel
Awarded Apr 8 at 5:00
What are the regulation requirements for running a repeater?
Awarded Apr 6 at 19:30
Grounding of a portable setup
Awarded Apr 5 at 8:45
Why does damping between two antennas increase with frequency?
Awarded Apr 3 at 15:40
Calling a friend on simplex
Awarded Apr 2 at 9:50
How to check HAM license status - India - Grade One License?
Awarded Mar 24 at 18:50
GNURADIO: What does the complex output of an osmosdr source translate to?
Awarded Mar 19 at 11:25
Do FCC obscenity regulations apply to ham radio transmissions?
Awarded Mar 18 at 19:40
Not participating in contests
Awarded Mar 10 at 12:50
FT8 callsign/maidenhead compression encoding
Awarded Mar 9 at 10:15
Imaging with radio Frequency
Awarded Mar 7 at 1:15
Is it legal for a non-profit to use ham radios for emergency purposes?
Awarded Mar 3 at 16:45
144Hz monitor with freesync noise on 40m
Awarded Mar 3 at 16:05
Error in an attempt to simulate SDR frontend hardware in GRC
Awarded Feb 27 at 15:50
What dot means in JTDX FT8 received messages?
Awarded Feb 26 at 19:25
Is there a freely accessible repeater database?
Awarded Feb 25 at 5:25
Working satellite on 2 meters, at what arc distance to sun (center) will noise floor be problematic to a disruption of a communication path?
Awarded Feb 23 at 17:25
Estimating near-field electric field strength at LF (137 kHz)
Awarded Feb 21 at 0:45
Calculation of transceiver current draw
Awarded Feb 14 at 21:00
Looking for headset to use with BTech UV-25x2
Awarded Feb 13 at 19:00
Baofeng UV-82 and DM-860 drivers Windows 7
Awarded Feb 12 at 19:10
Receiving different gain values on two RX channels on Ettus USRP B210
Awarded Feb 10 at 15:55
How to determine frequency and launch angle given a target skip distance?
Awarded Feb 7 at 21:20
Can I get non demodulate IQ signals from WebSDR
Awarded Jan 31 at 16:00
How should I stack these folded dipoles?
Awarded Jan 30 at 15:10
How is gqrx producing audio?
Awarded Jan 26 at 1:20
Why do watches with GPS receivers have an “airplane mode”?
Awarded Jan 23 at 14:40
Antenna polarization when dealing with satellite communications
Awarded Jan 20 at 19:30
no contacts with Rockmite
Awarded Jan 19 at 21:25
Can a carrier operated relay be used for T/R switching in a HF linear amplifier?
Awarded Dec 31 '19 at 8:55
In which cases do SAW filters improve performance?
Awarded Dec 19 '19 at 21:20
Repeater identification ending (CW)
Awarded Dec 9 '19 at 14:00
Can I use a “bunny ears” TV antenna for RTL-SDR?
Awarded Dec 8 '19 at 16:15
Shifting frequency outside of the band
Awarded Dec 5 '19 at 10:25
Frequency modulation with gnuradio
Awarded Dec 2 '19 at 15:15
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