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Top Questions

3 votes
2 answers
105 views

Advice on constructing half wave dipole with reduced velocity factor for site that is not quite big enough?

-1 votes
0 answers
19 views

GNU Radio USRP B210 overflow when writing to fast SSD disk [closed]

4 votes
2 answers
99 views

Coax in the wall, or around the house?

2 votes
0 answers
29 views

How can I key low voltage and still keep a tube VFO running constantly?

0 votes
1 answer
58 views

Given that transmit "chirp" is mainly thermal related, what parts would need to be temperature regulated to limit chirp?

-1 votes
0 answers
44 views

What is the maximum distance supported by any USRP device that povides a data-rate of 2Mbps at the receiver? [closed]

2 votes
1 answer
67 views

Diagnosing antenna problem with RigExpert AA-600

3 votes
2 answers
82 views

Rfi in truck with HF transceiver when running

3 votes
3 answers
104 views

Question about Isolating Transformer NZART exam question

4 votes
2 answers
121 views

Antenna tuning confusion - help!

2 votes
1 answer
1k views

Cannot connect Quansheng UV-K5(8) with programming cable

3 votes
2 answers
67 views

Excessive frequency deviation for DMR handsets?

1 vote
1 answer
118 views

Need some help to design a DIY MW Radio receiver

3 votes
2 answers
52 views

WTB: dual band HT that can adapt to assistive hearing devices

1 vote
2 answers
44 views

What are the considerations re installing an ID-4100 in a DIN slot in the dash?

2 votes
0 answers
34 views

Receiving a lot of noise with RTL-SDR and SDR# for GOMX-1

1 vote
0 answers
34 views

Icom 705 USB link to Raspberry Pi4 running OpenCPN

3 votes
1 answer
111 views

Repeater Amplifiers DMR vs Analog

1 vote
1 answer
202 views

How to use GNU Radio to demonstrate FM demodulation without baseband signals

2 votes
1 answer
184 views

Portable indoor VHF antenna for SDR

2 votes
1 answer
177 views

IC7300 soundcard issues

1 vote
1 answer
421 views

Can't connect to my Yaesu FT5D on Windows, what could be the problem?

3 votes
4 answers
782 views

POTA and SOTA Spotting networks?

2 votes
2 answers
150 views

Why does my 7 MHz antenna trap have an SWR of 8?

1 vote
1 answer
127 views

Can an antenna be affected if mounted to a bull bar?

6 votes
0 answers
2k views

Simple AM receiver with gnuradio / RTL-SDR

6 votes
1 answer
192 views

How does a Large Loop Antenna work physically?

1 vote
3 answers
382 views

How can I check if my CB radio is AM or AM/SSB?

5 votes
8 answers
12k views

BF-F8HP: "Radio did not respond" when trying to use CHIRP

5 votes
4 answers
421 views

QSL cards and distance minimums

4 votes
1 answer
197 views

did static fry my uv5r?

3 votes
2 answers
43k views

Can a Baofeng UV-5R+ be used on FRS, GMRS, and MURS?

1 vote
1 answer
368 views

AX25 + Reed Solomon : Bit stuffing errors

14 votes
4 answers
5k views

Is a vertical noisier than a dipole, and if so, why?

5 votes
4 answers
945 views

Which is better in my situation: Balanced dipole, or as much wire as possible in the air?

4 votes
4 answers
13k views

How can I decode an AFSK 1200 baud audio clip? (ISS)

5 votes
2 answers
574 views

How Are US Call Sign Location ID's Assigned?

6 votes
3 answers
193 views

Is it ethical to accept sponsorship for QSL cards?

1 vote
2 answers
1k views

GFSK Demodulationsoftware

9 votes
1 answer
413 views

What privileges do I gain with each addition step of the license (in the UK?)

5 votes
1 answer
433 views

Where is the Multi-Drop XKISS / BPQKISS spec?


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