In looking for another option apart from falling off the top of the car I have found a secondhand Racal pneumatic mast .

It needs a bit of a clean up and one of the seals seems a bit dodgy but for way aI paid for it that is not an issue.



It is 2.6m closed



and I have yet to put up all the sections together. There are another 2 to go in this photo



12m total.

Now to design a roof mount system for it