The nanovna saver is not currently being developed
because of the busy programmer.
Latest Version: 0.2.2.1 (Python 0.2.2)
The 2.8-inch core nanovna edy555 version 0.7.1-20200321,
while the Hugen version is 0.4.5-4.
beware, because here you can find the version of -H4 you need -H
Otherwise, check out the Wiki folder.
Gyula Molnar