Topband: Supporting Ladder line

[Vic]

Has anyone idea's of how to support a long (750 ft) length of home made 
450 ohm ladder line ?

Is it possible to use it supported from posts in a vertical orientation 
or will that introduce imbalance.

I would prefer not to have it supported  horizontally due to added cross 
arms being required.

Have scoured internet sources but their appears little information 
available on the subject.

I plan to feed a Marconi Tee Vertical (Hairpin Matching) with 9:1 
transformers at each end of the ladder line enabling use of 50 ohm coax 
at each end for convenience.

73

Vic

G4BYG  (G6M)