AMSAT-SM - Official Website of AMSAT-SM SwedenHär skriver vi artiklar runt SDR och övrig mjukvara som har något gemensamt med satelliter.
Posts and guides about SDR and satellite software related topics.
Here a short video of IC-705 Frequency and Doppler control from SDR-Console.
The first part is frequency control with VFO following the radio.
The second part is doppler control from the Satellite External Radio control.
Download the OmniRig config file from: https://sm7iun.se/station/ic705/
Be sure to use the correct CI-V hex code in the seetings for IC-705.
To setup the new IC-705 for doppler control with PstRotator software you just have to follow these steps:
Here a short video after the setup:
This is a short guide how to create a simple batch file for Windows for downloading the latest kepler element before starting a satellite application. In this exemple, I am downloading kepler before starting the program GetKISS (by DK3WN).
First, create the .bat-file in a text editor and name it, for example, getkiss_starter.bat
The secret is to use the Windows program bitsadmin for downloading from web. Modify the folder path after your needs:
Then, start GetKISS with the file getkiss_starter.bat and you will always have the latest kepler!
When using several softwares for satellite telemetry decoding it is essential that you have the possibility to move (pipe) the audio streams between the different programs. One of the best programs is Virtual Audio Cable (VAC).
I will describe the fastest way to get started with this program on Windows 10.
Set up a virtual audio line:
After installing VAC, the first thing you do is to set up a virtual line with the control panel . I’m using a sample of 48 kHz like this:
Use the virtual line from source software:
In this case I’m using SDR-Console V3 and choosing the virtual line as output.
Use the virtual line at destination software:
For decoding telemetry the first step is using a sound decoder, here Soundmodem. Set the audio input line to the virtual line:
Now you have created a audio pipe “inside” your PC!
If you would like to listen to the audio, you can use VACs Audio Repeater to also pipe the virtual line to your computer’s audio output (headphones or speakers):
You can download and try VAC from this site:
https://vac.muzychenko.net/en/index.htm
And for a small fee you can buy a license for the full-featured version.
Simon Brown (G4ELI) excellent SDR software SDR-Console v3 has a very good satellite tracking integration. In version 3 it is also possible to control an external radio via CAT. This is explained in detail here.
This means that it is possible to control the transmitting radio for doppler at the same time the SDR unit (receiver) is following the downlink also with doppler. Very nice!
I have made some tests with my Yeasu FT-817ND and most of the times it works very good. Sometimes the connection between SDR-Console and the radio is lost, but this is fixed by restarting the “External radio” in SDR Console. Below is a short video of my test.
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