Appreciate the suggestions, Jan. Thanks for thinking about this. Those apps
are pretty nifty too but not quite as turnkey for the application I had in
mind for plants.
Marnie' solar deficit conjecture (SDC) for one bed can be confirmed or
refuted in a few minutes with SASHA.
I wish I knew more about Android phones. The developers wife uses Pixel 2 and
I see used ones for 120-140 on Shamazon, or this one may work
There are so many flavors of Androids even if one has a list of what phones
were tested, it is not assured it will work. I think the TAP app would be OK.
Still a bit in the dark for sun app, Mike
Themed Olympus Photo Exhibition: http://www.tope.nl/