I have a DigitalYacht IAIS and antenna
mounted at the top of my mast
, 58 ft. I use a splitter and have a connection at the base of my mast
. My typical Kentucky lake range is around 20 to 30 miles, but I see tows on the Ohio
from just above Kentucky dam at 49-44 miles all the time. At Indian Key a year and a half ago, I saw three ships - class A near the Dry Tortugas
, at ranges of 155 miles. They were all three in that range and were real targets.
When on the Tenn-Tom coming home with the mast down, I mounted a Shakespeare antenna
to the coupling at the bottom off the mast and extended on two 5 foot sticks of 3/4 PVC. I was around 15 to 16 feet off the water
. My typical distance was around 8 miles.
I am sitting in Lighthouse Landing Marina and my farthest target is on the Ohio
at Paducah and is 17.69 miles. I routinely see Class A targets at Metropolis, IL from here. That's around 5 miles further. None are there today. On the Tennessee River it depends a lot on terrain and the character of the river. There is plenty of time when I see one as generally the closure rate is 10-12 knots.
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