You have another option, Bob.
We have two older Chromebooks, the Acer 11.6" CB3-111-C8UB. They've long been out of updates, and we replaced them with a couple of newer Asus Flip Chromebooks that really work well. But what to do with the OLD ones? The CROUTON tool lets you sort of dual-boot it with a flavor of Ubuntu Linux, but I found that GalliumOS is much easier to install and use. You can do the dual boot thing if you want, or if you don't care if it still has the ChromeOS partition, you can just reflash the whole thing over to Linux using GalliumOS, a distro of Xubuntu, yet another Ubuntu derivative. It has a live version you can burn to a thumb drive and try out, and if you like it, you can update the firmware to support it as the sole OS on the machine, then do an install from that same thumb drive. It takes about 10 minutes to get everything all set up, then about another 20 minutes to half an hour for it to download and install everything.
GalliumOS supports a whole pile of ham radio programs, including WSJT-X and JS8Call, Qtel (an Echolink client), and a number of loggers of varying degrees of complexity. I got the latest version of JS8Call working with no trouble whatsoever. There's a whole suite of antenna design apps for it, and electronics tools like Fritzing, and you can install whatever browser you like that's available for Linux, such as Firefox. It comes with Chromium, but it's a far more up to date version than what the Chromebook itself had at this point.
Maybe this will work better with NanoVNA-Web-Client. I don't know, I haven't tried it myself, but this is a way to keep the Chromebook useful.
73,
Gwen, NG3P
