Amateur Radio Stack Exchange

1 vote

1 answer

90 views

Is it legal to practice using a one-time pad?

webmarc

3,645

modified 11 hours ago

3 votes

3 answers

150 views

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

Louis Seaman

672

modified 22 hours ago

14 votes

4 answers

5k views

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

aaronsuperglue

11

answered Sep 25 at 0:14

-1 votes

0 answers

33 views

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

kvazibog

1

asked Sep 24 at 8:31

4 votes

2 answers

118 views

Coax in the wall, or around the house?

webmarc

3,645

answered Sep 22 at 19:13

3 votes

4 answers

791 views

POTA and SOTA Spotting networks?

Don Levey

51

answered Sep 21 at 22:08

2 votes

0 answers

33 views

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

Zeiss Ikon

4,087

modified Sep 21 at 21:38

6 votes

0 answers

2k views

Simple AM receiver with gnuradio / RTL-SDR

CommunityBot

1

modified Sep 21 at 12:12

1 vote

3 answers

385 views

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

cyrusjuliet

1

answered Sep 21 at 7:41

3 votes

2 answers

44k views

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

Brownie

1

modified Sep 20 at 3:31

-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]

Suvadip Batabyal

1

modified Sep 19 at 16:40

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?

glen_geek

856

answered Sep 18 at 13:26

5 votes

8 answers

12k views

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

Kenny Monoxide

1

modified Sep 15 at 21:30

2 votes

1 answer

1k views

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

Eugeniusz Latek

1

modified Sep 15 at 18:28

9 votes

1 answer

418 views

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

berry120

1,744

modified Sep 15 at 6:40

2 votes

1 answer

186 views

Portable indoor VHF antenna for SDR

Mike Waters♦

7,843

modified Sep 15 at 0:11

2 votes

1 answer

180 views

IC7300 soundcard issues

CommunityBot

1

modified Sep 14 at 13:07

2 votes

2 answers

151 views

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

Simon Farnsworth

278

modified Sep 13 at 15:03

2 votes

1 answer

67 views

Diagnosing antenna problem with RigExpert AA-600

Scott Earle♦

4,519

modified Sep 13 at 9:29

4 votes

2 answers

122 views

Antenna tuning confusion - help!

Jimbo47

86

answered Sep 4 at 6:55

1 vote

1 answer

209 views

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

CommunityBot

1

modified Sep 4 at 5:04

1 vote

0 answers

34 views

Icom 705 USB link to Raspberry Pi4 running OpenCPN

larsks

578

modified Sep 3 at 20:11

3 votes

3 answers

104 views

Question about Isolating Transformer NZART exam question

david

101

answered Sep 2 at 10:20

1 vote

2 answers

44 views

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

niels nielsen

907

answered Sep 1 at 19:20

3 votes

2 answers

85 views

Rfi in truck with HF transceiver when running

niels nielsen

907

answered Sep 1 at 19:11

2 votes

0 answers

39 views

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

Marcus Müller

15.2k

modified Sep 1 at 12:43

5 votes

4 answers

423 views

QSL cards and distance minimums

AI7OW

314

modified Sep 1 at 10:04

5 votes

2 answers

574 views

How Are US Call Sign Location ID's Assigned?

AI7OW

314

modified Sep 1 at 3:35

5 votes

4 answers

948 views

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

Walter Underwood K6WRU

1,948

answered Aug 31 at 16:03

1 vote

1 answer

426 views

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

CommunityBot

1

modified Aug 31 at 14:08

3 votes

2 answers

70 views

Excessive frequency deviation for DMR handsets?

BigBrownBear00

141

answered Aug 31 at 9:54

4 votes

1 answer

197 views

did static fry my uv5r?

CommunityBot

1

modified Aug 28 at 5:05

6 votes

3 answers

193 views

Is it ethical to accept sponsorship for QSL cards?

CommunityBot

1

modified Aug 28 at 2:46

3 votes

1 answer

111 views

Repeater Amplifiers DMR vs Analog

CommunityBot

1

modified Aug 27 at 20:07

1 vote

1 answer

127 views

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

CommunityBot

1

modified Aug 27 at 14:07

6 votes

1 answer

194 views

How does a Large Loop Antenna work physically?

CommunityBot

1

modified Aug 27 at 2:07

3 votes

2 answers

52 views

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

David Hoelzer♦

1,025

modified Aug 26 at 21:57

1 vote

1 answer

118 views

Need some help to design a DIY MW Radio receiver

glen_geek

856

answered Aug 26 at 18:56

1 vote

1 answer

368 views

AX25 + Reed Solomon : Bit stuffing errors

Kevin Reid AG6YO♦

24.2k

modified Aug 26 at 15:26

4 votes

4 answers

13k views

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

Kevin Reid AG6YO♦

24.2k

modified Aug 26 at 15:26

5 votes

1 answer

433 views

Where is the Multi-Drop XKISS / BPQKISS spec?

Kevin Reid AG6YO♦

24.2k

modified Aug 26 at 15:25

1 vote

2 answers

1k views

GFSK Demodulationsoftware

Kevin Reid AG6YO♦

24.2k

modified Aug 26 at 15:25

4 votes

2 answers

120 views

How to design a Local Oscillator for a radio receiver?

glen_geek

856

modified Aug 26 at 12:50

1 vote

1 answer

54 views

Signal Patterns on Waterfall are not Same for Two RTL-SDRs

Kevin Reid AG6YO♦

24.2k

answered Aug 26 at 1:09

1 vote

2 answers

54 views

Cannot transmit with direwolf ("Audio output start error")

larsks

578

answered Aug 25 at 17:34

1 vote

1 answer

66 views

Icom RS-MS3W setup

CommunityBot

1

modified Aug 25 at 2:02

3 votes

1 answer

82 views

Linking DStar repeaters using Icom syntax

CommunityBot

1

modified Aug 25 at 0:04

3 votes

2 answers

252 views

Does the Yaesu FT-897D have a BIOS/firmware in FLASH memory that could get corrupted 15 years in storage? Is there a re-install procedure?

webmarc

3,645

modified Aug 23 at 18:56

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