Hello to all.I went and picked up a rohn,by the way,rohn was on the gearbox so no question on the brand.Appears to be a 55-60 ft crank-up tower.Was used at the MARS station at the panama canal ARMY base till abt 1982.I am looking for any information on this? I would like to gat the base diagram,or any info..73 tnx john