This Antenna, was tuned for 147mhz. When an Antenna Analyzer was hooked to this, it showed 1.0 for a good portion between 146mhz-148mhz at 50 ohms! The rest of the band was 1.1-1.3 meaning it could be used for the rest of the band.
Construction is easy. All of the parts were purchased at Home Depot or Lowes.
(Except for the SO-239 Adapter and the wire!)