[TowerTalk] Highway light poles

[Russell Hill]

Hello All:

I am curious about the substantial and tall light poles seen along 
interstates and various interchanges.  They look to have internal cables, 
both mechanical and electrical, and could be in the ballpark of 100 feet 
high.  They have external pulleys on top so the light array can be lowered 
for maintenance.

They would not be very useful for Yagis, Quads, and the like, but with the 
internal hoisting cables might be useful for slopers, rhombics, high 
dipoles, etc.

I would guess they are quite expensive, but that is an assumption.  Does 
anyone know anything about these?

And similarly, what about the BIG flagpoles seen at car dealerships and so 
forth?

Thanks,
Rusty, na5tr