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

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

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.

I've updated the driver guide for the miniVNA^tiny reflecting the removed filter-mode.

Thanks to Andrew Rich, VK4TEC and Geoff Robinson, VK4KJJ we now have a precise power-over-frequency chart in generator mode.

You can find the latest version here.

The new version 3.1.11 of vna/J is released.

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

• Driver fixed for miniVNA/metroVNA
• Bug in vna/J update feature fixed
• Error message fixed on invalid export directory

The new version 3.1.10 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:Driver fixed for miniVNApro + Extender

• Filter code for miniVNAtiny removed
• Creation of calibration block changed
• Number of calibration steps limited between 3.000 and 30.000
• Thanks to some of my Chinese friends for decompiling the code. Keep away of obscure download sources

I've updated the driver guide for the miniVNApro regarding the use of the AUTO-RESET checkbox.

You can find the latest version here.

The new version 3.1.9 of vna/J is released.

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

• Upgraded to purejavacomm-1.0.0.jar
• Bugs fixed regarding timeout issues on some machines

vna/J runs nearly on every plattform, that supports the JAVA runtime environment and has drivers for the FTDI USB chips.

vna/J is successfully tested by numerous users on current MS Windows 10 and MAC OS/X El Capitan.

For full list, please see here.

vna/J läuft beinahe auf jeder Plattform, die eine JAVA Laufzeitumgebung und Treiber für die FTDI USB Chips bereitstellt.

vna/J ist erfolgreich von zahlreichen Anwendern auf dem aktuellen Windows 10 und auf Mac OS/X El Capitan gestestet.

Eine komplette Übersicht findet sich hier.