My automatic power hammer is a dude in his 20's with big biceps. I point, he installs nails. Works great/
This isn't exactly what you're looking for, but would be half of the solution:
you can at least mark the point accurately without moving the pole
I found this tip at InterGEO in 2016:
(this is a cut-away view) When you push the rod down firmly it puts a dot at the rod center.
Here is the data sheet on them:
They are 'only' $145Euro , but I was impressed that they were REALLY well made.
Here is a link to online:
store where you can pick them up.
That is why I wait for some things to end up on EBay.
I can remember when it cost less for me to go to the other side of the globe and build a vacation house as it was to transfer enough money over there.
I bet a Hilti Gun would work really well if someone had to set a lot of points in pavement. Haven't used one since my construction days but could drive a masonry nail into solid concrete with no problem.