Shakespeare 6400-R Phase III VHF Antenna - 4' VHF Marine Band 3dB Gain

I'm Dean Travis Park the host of sportfishing TV and I'm here with Chris Cato from Shakespeare marina antennas who's going to share with us how to select and install a VHF radio antenna Chris you have sort of a good better best way of rating these antennas tell us what makes the difference the difference on these antennas is going to be based on materials and longevity of the product and that is actually gauged by what is actually inside the antenna which is the antenna element itself on our entry level type antennas you have coaxial cable for the internet element which is not as efficient as brass and copper tubing is on other antennas but as you step up into the better antennas like our 5101 you have brass and copper tubing much larger diameter brass so that it gives you better efficiencies and skin effects because of that and then you step onto 50-100 too for an example and you get e