Using a MiniVNA Tiny (from Mini Radio Solutions) with Ubuntu Linux

First I installed Java  8 (1.8.0-16).  If I remember correctly, I used these instructions.
Typed in a terminal box: java -version yields the information:
      java version “1.8.0_161”
      Java(TM) SE Runtime Environment (build 1.8.0_161-b12)
      Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode)
Then I downloaded JAR-file (vnaJ.3.1.19.jar) from the DOWNLOADS VNAJ page, where is says: “For Windows- OS X and Linux-Users downloading the JAR-file is suffcient”; click on the blue “JAR-file” link. There is probably a later version than vnaJ.3.1.19.jar now, so select as appropriate.
I connected the VNA via a USB cable. Its green LED lit up. Double-clicking the vnaJ.3.1.19.jar file icon in its directory executed the application. Selecting Analyser Setup, miniVNA Tiny showed ttyUSB0 had appeared as an Available port. I clicked test, but the ttyUSB0 port failed the test.
I tried executing vnaJ as root using the sudo command. Now the port passed the test.
I asked for help on the Yahoo group analyzer_iw3hev.
Andy Eskelson G0POY helped me out with the permissions. He told me to open a terminal box and type in:

sudo usermod -a -G dialout gray    , “gray” being my username.

After a reboot, I tried vnaJ again. I tried a calibration & it ran fine!

So it looks like I can use my MiniVNA Tiny again.

I might try N1MM contest logger on Linux next.


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