Gopan VU2XTO has done an amazing hack. He packaged an F4GOH VNA together with an RaspberryPI 3, an LCD touch display, a touch pad and a small OLED display in a little box and - voila his standalone VNA is ready to go.

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Here a short description from Gopan how he did this - for any questionx regarding his solution, please contact him directly.

Some months ago Andrew Rich, VK4TEC and Geoff Robinson, VK4KJJ provided me a chart where they measured the generator output level over frequency:

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They used a ROHDE & SCHWARZ NRP2 with an NRP-Z81 power sensor.

Version 3.1.13 of vna/J is released.

  • The application JAR can be downloaded from here as usual.
  • The following updates are included in this version:
    • Added driver for F4GOH VNArduino
    • Updated driver for miniVNApro+extender

Erik, SM3HEW has provided again a new version of the bluetooth-script for Linux - thanks for this Erik!

You can download it directly from here.

Any feedback is welcome, but please directly to Eric, SM3HEW

The XMAs-Edition 3.1.13 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:

  • Fixed problem with some scan ranges and windows sizes. Thanks to Angel.
  • Bug fixed in driver for minIVNApro with extender - thanks to Ian ZL2IH and Karl-Heinz DL9GAB.
  • Option added to driver selection dialog to display all available serial ports on system.

The new version 3.1.12 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:

  • Option added to driver selection dialog to display all available serial ports on system
  • List of cable types in cable length dialog is loaded from cables.csv in vna/J config directory. Default file is created automatically.
  • Frequency ranges for bandmap in main diagram is loaded from bandmap.csv in vna/J config directory. Default file is created automatically.

You can buy the author a beer to support the further development of vna/J.

Please use this PayPal link.

Many thanks in advance for this donation!


You can contact me by email icon or 

2014 CW (Morse Telegraphy) was added to the German Nationwide Inventory of Intangible Cultural Heritage.

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