CHANGE USERNAME TO westes wrote:

How tall was that telescoping antenna?

Does anyone sell an off the shelf 5/8 wave telescoping antenna with a strong
magnetic base?

Whatever 5/8 of an RF wavelength of 128.0 MHz is; somewhere around 3 1/2 feet,
or so.

No one sells them off the shelf, because they can cut one for you in about two
minutes. Any decend ham radio store has all the stuff.