Questions tagged [software]

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

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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), ...
3
votes
0answers
47 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-...
2
votes
1answer
51 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:...
1
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0answers
75 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 ...
1
vote
0answers
67 views

HF propagation prediction using machine learning

Anyone out there know of or developed s/w to predict HF conditions using ML?
1
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0answers
60 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 ...
1
vote
0answers
80 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. ...