Thanks for the reply JB, and sorry for taking so long to respond.
I have again downloaded the linked spreadsheet and am looking carefully at it. The first two times I looked it over it seemed hopelessly inscrutable, but that’s really my problem.
It seems my approach is completely down the wrong path so I will try again. I can monitor my meter flow rate remotely, but to the nearest minute. I generally have run tested for ten minutes, discarding the first and last values as “filling the pipes” and "stopping short. I may up that to 15-minute tests.
My biggest problem is estimating an area. In may cases I have a single line snaking through the landscape. In others there may be a single line in two directions – how are those areas calculated / estimated? As a final example, that I see is covered in the spreadsheet, is the calculation for a single emitter.
I’m also looking at a 9 x 4-foot area (36 sq. ft.) with driplines spaced every 6 inches, 5 lines extending the length and 7 the width at 12-inch line spacing. Measured flow volume was 1.67 gpm yielding a nozzle flow rate of 0.0326 inches per hour – but I’ll run this through the recommended spreadsheet to check my math.
Again, thanks so very much. And I’ll let you know after I’ve tried the spreadsheet.
GAJett