Version 3.1.16 of vna/J is released.

  • The application JAR can be downloaded from here as usual.
  • The following updates are included in this version:
    • Mode in marker math dialog is correctly selected for scan mode
    • Marker math dialog optimized

In one of my lasts post I've shown some data about the generator output level of the miniVNAtiny.

Now I've received from S. Petrovich a much more detailled analysis of the output power level for a miniVNAtiny.

Version 3.1.15 of vna/J is released.

  • The application JAR can be downloaded from here as usual.
  • The following updates are included in this version:
    • Generator is turned off after scan
    • Updated driver for MetroVNA

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

VK

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

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.

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

You can contact me by email icon

You can buy the author a beer to support the further development of vna/J. You can do this via a PayPal donation. Many thanks in advance for this donation!

Betrag : 

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

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