amps stands for am preshot, as well as pmps stands for pm preshot. Or the readings right before the morning shot and the evening shot. then the +1, +2, +3 are how many hours since the insulin was given. We use the +s rather than the actual times given since we have members literally all over the world, makes it easier than trying to figure out what time zone someone is as opposed to what time zone the person looking at the spreadsheet is in.
Mel, Maxwell, Musette & The Fur Gang