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or how accurate they actually need to be...I'd start with asking just how accurate those signs really are.
But they might be. I understand that there are commercial-grade GPS devices that are very accurate. We hired a contractor to build a pond for us, and he laid it out with some sort of device, not surveyor's tools.
On a hole with a small elevation change (0-10 feet), I would think you would want to be very accurate maybe within a foot?or how accurate they actually need to be...
I think seeing the shape of the elevation change is more useful than the net gain/loss. That one guy who does the topo map teesigns also has the tee to basket side view of the elevation profile.
Knowing how far out the little rise that guards the ideal landing zone/green would be super useful and could negate some of the potential advantage gained by using rangefinders.
If you're not using your rangefinder to measure elevation changes, distances to landing zones/greens, obstacles, how far you are from the corner of a dogleg, how long the carry is to clear ob, etc.[/], you're using it wrong.Knowing how far out the little rise that guards the ideal landing zone/green would be super useful and could negate some of the potential advantage gained by using rangefinders.
Thanks, but it is extremely inaccurate when I just checked. (maybe it works OK in some areas???)View attachment 336880
Google Earth (desktop version) can show elevation profile AND actual (as crow flies) distance with elevation compensated distance. Just click "Tools/Ruler" and select "Use elevation profile" in the "Path" tab. Gives a pretty good representation though might be less reliable if lotsa trees. If u know the course & hole layout pretty well, you should be able to determine if close enough & worth putting on a tee sign.
I think the biggest drop/gain will be in the 20 foot range so nothing too crazy.A high accuracy altimeter seems like a good choice. Pretty expensive.
What's the biggest elevation drop or gain in a single hole? You could do a decent job with a laser and plumb line on a pole.
I think the biggest drop/gain will be in the 20 foot range so nothing too crazy.
I ended up finding a guy who has an older phone (Kyrocera?) with a built in altimeter. I tested it a bit and it seemed to be quite accurate.
Uphill elevation is more important than downhill so you can better estimate the effective distance to reach the hole or landing area, which is roughly 3 times the elevation added to the lasered length.