Bryan started by showing a list of topics to be covered which included NanoVNA features, architecture, calibration (including calibration kits), Measurements and PC software. It became immediately apparent that there are more than one version of Nano VNA.

While smaller less expensive units are available, they might prove difficult to read and have shorter battery life, as well as possibly being less accurate at UHF frequencies. A description followed of the NanoVNA-F 4.3″ package which includes instructions, a calabration kit, connecting cable and connectors. It was pointed  out that most units come with a calibration kit, useful since the VNA will need calibrating with any change of conditions, such as a different cable, temperature changes, and different connectors etc.

Bryan explained the architecture of the VNA-F and the components used.

The next VNAs described were the LiteVNA 62 & 64 which have 2.8″ and 4″ screens respectively and have measurement points of 51 to 1024 points. A new feature added to this model is the ability to store one set of calibration data.

Various measurements were explained and  PC software was listed, two of which are given in the instructions. They are Nanovna.exe, and  Nanovna-saver by Rune B. Broberg. A third programme is also available, a modified version of nanovna called nanovna#.

NanoVNA and NanoVNA# are capture and display programs. They can run calibration routines but with 101 points only, plus save & load files in Touchstone format. The NanoVNA Saver is a large program with many features including chaining sweeps to gainmore than 101 display points.

Bryan finished his talk with a Q & A session.