Questions tagged [software]

Programs and applications that are used to assist with Amateur Radio operations.

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IC7300 soundcard issues

I have a brand new Dell XPS laptop running windows 11 pro. The rig is an IC7300 which I had running WSJT-x (JTDX) as well as other digi modes using ham radio deluxe fine on an older (10 year old ...
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2 votes
1 answer
200 views

Can't run CHIRP on macOS Monterey (12.4)

I'm unable to install both the precompiled binary and the brew cask versions of CHIRP on macOS 12.4. The issues do not seem to be covered by this similar question composed by a macOS 10.x user. After ...
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0 votes
0 answers
125 views

Access problem (?) Ubuntu 22.04 LTS

Radio: FT-991 I work usually in Mint 20.3 Mate; FLRig, FLDigi, JS8, JTDX, WSJTX all run ufb Installed a Ubuntu 22.04 LTS (on another Laptop) Now: FLRig, FLDigi: after setting permission / Owner - ...
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0 votes
1 answer
55 views

Vertex Standard VZ-28 - Unable to import settings into software due to password

I had been trying to program my Vertex Standard VZ-28 radio on my Windows-7 Machine using the VZ-28 V2.0.2 software. I had entered the password under "General" menu for the radio and now ...
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2 votes
1 answer
2k views

wsjt-x problems with windows 11

When upgrading from previous version of the windows operating system to windows 11 wsjt-x stops receiving the output from the radio. What should I look for?
1 vote
2 answers
322 views

POTA and SOTA Spotting networks?

How do spotting networks specific to POTA and SOTA activities work? ("parks/summits on the air") Are POTA and SOTA spotting networks a subset, a superset, or a completely different network ...
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2 votes
1 answer
342 views

I’m having issues with chirp not uploading the program to my baofeng GT-3WP

I have a baofeng gt-3WP and am trying to program it in CHIRP but the tab that says upload to radio is greyed out and will not respond
3 votes
0 answers
64 views

Radio Service Software Motorola Syntor x9000

My name is Roger, I live in Sweden, have bought some old motorola synths x9000 transceivers that I need to reprogram, but have great difficulty finding the Rvn 4007E software as it should be. Have ...
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0 votes
0 answers
119 views

Baofeng UV-9R Software Trouble

I have CHIRP daily-20220103 It works great on my Baofeng BF-F8HP. When I load the Baofeng UV-9R I cannot go to the settings tab. I can get to the memories tab just fine. I decided to load the software ...
3 votes
2 answers
142 views

How does AMPR work over IPIP tunnels?

I'm experimenting with AMPR, and I have been allocated a 44.x.x.x IP address block which I'd like to use via an IPIP tunnel. There are some tutorials out there but none of them explain what happens ...
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0 votes
0 answers
95 views

I'm trying to configure HRD for IC7300 but cannot connect / detect frequency

Got the firmware updated. Got the Driver updated. Got the software updated. Went through instructions several times.
2 votes
3 answers
250 views

Store and forward system like voicemail for hams

I want to be able to get in touch with hams in my area when we are not both on air at the same time, but are close enough to each other for VHF communication. I want to be able to use my radio to call ...
0 votes
1 answer
125 views

How to get the "real" number of samples coming in an sdr

so I am fairly new to this SDR and dsp thing, I am working on a project that calculates the ppm and adjusts the offset, now I kinda got the idea of how to calculate the ppm after going through the ...
0 votes
2 answers
71 views

Not able to understand some operations in rtlsdr library in python

Here is the part of the program I am having problems with: samples = sdr.read_samples(16*1024) power, _ = mlab.psd(samples, NFFT=1024, Fs=sdr.sample_rate /1e6) ...
4 votes
2 answers
568 views

Problem with sample rate

So I am working on a project that involves me to check real time difference between samples.I am fairly new to this so after a bit of researching I wrote a simple python script for it, here is the ...
3 votes
0 answers
86 views

Any tool for finding satellite passes that overlap *two* given locations?

gpredict is nice. Well, it's OK, to find the next passes for a set of satellites with sufficient elevation for one location. What I want is something where I can put in two coordinates, and get out ...
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3 votes
1 answer
257 views

Open source RS41 decoder

I would like to decode the signal from a RS41 radiosonde (from a weather balloon), which are suggested open-source software to do that? I tried RS but after compiling the code and executing ...
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5 votes
2 answers
233 views

Calculating satellite passes without an internet tracker?

Situation: You want to know when a satellite will pass in order to receive an image transmission or to work an amateur satellite. However, you cannot access internet for whatever reason, and ...
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0 votes
1 answer
211 views

Does the 450D work with Winlink and allow Winlink to control changing frequencies and bands?

Will the 450D computer control program interface with Winlink and allow Winlink to change radio frequencies/bands?
4 votes
1 answer
104 views

Why is Echolink copying the exe file to another drive letter everytime I launch it?

I have Echolink 2.0.908 installed in the default folder C:\Program Files (x86)\K1RFD\EchoLink Every time I click on the shortcut to launch it, a copy of echolink.exe is created in the root of my G:...
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1 vote
1 answer
103 views

How do you open ax.25 ports?

I'm trying to follow this tutorial I almost got to the end, about 9:15 was where I got stuck. Right about there, the speaker is about to wrap up- but I get a couple error messages. ...
1 vote
0 answers
218 views

Frequency synchronization in GNU Radio for OFDM 16-QAM x 6

I am transmitting a 16khz data signal using OFDM 16-QAM x 6 carriers and the library amodem using a HackRF. However, I am having issues receiving this signal as the frequency the HackRF transmits on ...
3 votes
4 answers
1k views

Are there any "parrot" repeater software projects out there?

I happened across a discussion on building repeaters for Amateur radio, which lead to looking at GMRS repeaters (because apparently this is a potential source for inexpensive 70 cm Amateur repeaters), ...
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8 votes
2 answers
430 views

FT8 callsign/maidenhead compression encoding

I have set myself a challenge to write a Matlab script as proof of concept to send an FT8 CQ call (not necessarily for live transmissions yet, but I may extend the project). So far I have: Generated ...
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3 votes
4 answers
488 views

Is there a freely accessible repeater database?

The well-known repeater listings/apps don't provide a database that you can download and use freely for any use in building your own app. Is there a such a freely accessible repeater listing database ...
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1 vote
0 answers
100 views

HF propagation prediction using machine learning

Anyone out there know of or developed s/w to predict HF conditions using ML?
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2 votes
1 answer
87 views

Is there a way to get FreeDV output level to follow the input audio amplitude?

I'm using a commonly available imbedded firmware implementation of FreeDV with an SSB HF transceiver. It seems that FreeDV encodes the input audio signal in both the frequency and time domains, ...
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2 votes
1 answer
532 views

QSSTV on Linux Mint

Linux Mint MATE 64 (system is up to date) I installed qsstv first it runs normally but no CAT .. then I installed hamlib and put in the same string for the USB Device like in FlDigi which runs now ...
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3 votes
2 answers
368 views

How do blind hams operate?

In an earlier question, there seemed to be some surprise when I (indirectly) asked about radio modes accessible to a blind operator. First question: So how do blind hams operate? If I were to be ...
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5 votes
1 answer
668 views

What dot means in JTDX FT8 received messages?

What dot near country means in JTDX? Maybe LOTW?
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4 votes
1 answer
119 views

What value goes in the AX.25 PID field if the Layer 3 protocol is not defined in the standard?

I am working on space-ground networking for a Cube Satellite, and one of our candidate Layer 2 protocols is AX.25. We haven't settled on a physical layer, but it's likely to be some form of quadrature-...
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6 votes
3 answers
4k views

How can I decode SSTV with only macOS software?

Have you used an SSTV decoding application on an up-to-date version of macOS? Which one, and if you built from source, can you share the steps you took to do so? I do not know of a single working ...
1 vote
0 answers
172 views

Looking for a formula used by VE6YP trap calculator

I wonder whether the source code of VE6YP (Tony Field) coaxtrap design program (link 1, link 2) was ever published or described. As a Mac user I'm having little difficulties using this software and I ...
4 votes
3 answers
2k views

Line of sight from geographic/map data?

I have line of sight issues with repeaters I want/need to use (it's a repeater network my club uses). One of the options that might be available to me is to install a "passive repeater" in a location ...
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1 vote
3 answers
305 views

ax.25 error shown in direwolf. Fails on channel 8, then 2, then works

Using a Raspberry Pi 3B, Signalink, HT, direwolf and ax25-tools and ax15-apps. All up to date. Clean start. Commands: ...
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2 votes
0 answers
116 views

unexpected output using HackRF One with rx_power

I am trying to make a wide scan from 24M to 1700M using HackRF One by using: rx_power -f 24M:1700M:1000k -g 50 data.csv This gives me a nice output like this. ...
3 votes
2 answers
4k views

WSJT-X V2: How to identify stations already logged?

In V1.9 of WSJT-X, there was a feature that allowed one to change the color of stations already logged. This was necessary in knowing whether or not to respond to a given CQ. In version 2, I am ...
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1 vote
0 answers
220 views

AWR_4000 by awc programming software [closed]

Ware can I find the programming software for this radio It's cold awr advantage programming software for the 4000 4002 anyone know or has a copy of it to send on email to Mr ouly of you can email me ...
9 votes
2 answers
522 views

What does exclamation mark mean in FT8 CQ calls in WSJT?

For example, in this screenshot: WSJT shows !Italy, !Serbia, !U.S.A. What does it mean?
1 vote
2 answers
176 views

Linkable lists of call signs in a specific zip code

I've been trying to build a ham related website. I'm looking for a list of call signs. Here's the trick: I need the URL to change based on the zip code. I want to be able to put the link on a page, ...
0 votes
1 answer
658 views

Alternative software for Hytera PD785G

I got a brand new Hytera PD785G. When I turn it on, it says that it needs to be programmed. I've got a USB programmer cable and I know that there are official drivers and software for download. Do I ...
1 vote
1 answer
1k views

How do I install the DV4mini software on Ubuntu?

The documentation says the following: The program requires the complete installation of Mono. You install for example with apt-get the packet mono-complete. Until an installation packet is available ...
12 votes
3 answers
608 views

Resort FM radio station

I stayed at a resort in the U.S. recently that is located in an unpopulated area with virtually no radio reception. To fill the gap, the resort has its own FM station that can be heard only within ...
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2 votes
3 answers
2k views

How to use a Linux computer as a paddle key code practice oscillator

I'm working on learning Morse code, and I'm looking for a way to use my computer as a practice oscillator with a double paddle key. I'm using a Linux PC, but a Raspberry Pi solution would be cool to. ...
5 votes
1 answer
2k views

AX.25 on macOS (aside from APRS)

I'd like to send raw AX.25 packets from a macOS PC using a KISS TNC (mobilinkd TNC2). I've sent APRS packets with this set up using Xastir, but I'd like to send other information besides just APRS (i....
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1 vote
1 answer
409 views

How to use Log4OM with multiple users?

My household has multiple licensed amateur radio operators that share the equipment (ham radio, computer, etc). We would like to use Log4OM to log our QSQs and to use the program to submit them to ...
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3 votes
1 answer
2k views

How do I go about identifying an unknown digital signal?

I'm playing around with an SDRPlay. I'm using the CubicSDR app, and I'm tuning around the HF bands. I get to 5.650 MHz and I see this: This looks like a bunch of discrete RTTY signals. How would I ...
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1 vote
1 answer
81 views

WIFI PACKETS AMPLITUDE AND DISTORTION [closed]

How is it that a computer receiving packets through wifi doesn't get those wifi packets distorted often? Wouldn't things like other radio waves interfere with the signal often? How does my computers ...
1 vote
3 answers
12k views

Tytera MD-380 software (DMR radio software) not working on Windows 10

I installed the latest MD-380 software (from Radioddity) , but I cannot get the MD-380 software to work on Windows 10. When I plug the MD-380 USB programming cable in my Surface Book (obviously ...
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5 votes
2 answers
1k views

4NEC2 - Radiat-eff. vs. Radiat-power

In the output from 4NEC2 the input power is 100 W. On the left, in blue text, is Radiat-eff. which equals 15.41%. On the right is Radiat-power which equals 94.88 W. I would expect either the first ...
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