TRUE OR FALSE

I read that too, and thought someone must have mistyped or some sort of misunderstanding. My thought was surely you'd need to trim the stinger.

 

I could see needing to retune it as you are changing the setup... But inch for inch???

Will be interesting to see what replies come.

 

When I extended the shaft on my oil coil antenna to 40", an increase of 33", I cut maybe a foot off the whip to get it right. So it's not inch for inch.

 

Sounds to me like you picked the next most resonant wavelength over keeping the antenna at 1/4 wave? This is just me pondering out loud.

 

The amount you add or subtract to the bottom below the load is not proportional to what you add or subtract above the load. It's easier to see mounted on a flat sheet metal roof of a car. You could subtract 1 foot of shaft and you might only need to add a quarter inch of whip to compensate or you might need to add 2 inches of whip

 

The Q factor of the coil is what determines the ratio above and below but regardless of how low the Q factor is you will never see a one-to-one ratio

 

It's always a guessing game. it's better to be safe than sorry before cutting

 

I saw the Wilson 2000 comes with either 5" or 10"... Is there a 20" option too? Or just talking a generic shaft?