Then you'd have to define "setpoints" - how "good" does the link need to be to qualify for one, two or three bars ... we already have that in the system alarms though (GPS is yellow if insufficient...
Then you'd have to define "setpoints" - how "good" does the link need to be to qualify for one, two or three bars ... we already have that in the system alarms though (GPS is yellow if insufficient) I'd say, I prefer the PDOP value there as a numeric value, I like it better than "bars" since you can see small changes too.
Another alternative would be a continuous bar, that starts green and goes through yellow into red, where higher values are bad (basically "small green slice"=good, "big red bar"=bad)
but ultimately all of those work.