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I was researching the  Shakespeare big sticks for some unknown reason  and as i have been amassing materials to make an aluminum  17M vertical dipole .. a dipole was chosen as no radials are needed and simple construction with the coax going up inside the ally  tube feeding the center and no matching devises needed

so this catch my eye when on some forum about 20 years ago someone emailed Shakespeare asking for calefaction on the different models

below is part of the email


>>>>Then in the 90's we designed the first off-center fed 5/8 wave model ABS-1600 made camo green. After a series of wind related internal conductor failures we changed the internal coaxial feed line construction and renamed the product NBS-2010. Bothe th ABS-1600 and the NBS2010 were called Army Big Sticks.<<<<<


Google has come up with nothing...so how would you determine how far up the antenna would be the feed point? Would you be able to find a 50 ohm point .or would there be some form of matching ?? thinking about it just now i suppose a gain master is a OCF 5/8 wave

so if anyone has some thoughts on how the army big stick worked  i would be interested