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Old 03-05-2018, 04:44 PM
K6CPO K6CPO is offline
Join Date: Dec 2014
Posts: 96
Default Re: Antenna on hill to handheld radio system

I'm thinking the OP is probably in the UK as he gave his distances in Km.

Since we've determined the use of Marine radios is out of the question, either a GMRS (or the UK equivalent) or an amateur license would be the best way to go. The situation he describes would probably be feasible with simplex as long as there was direct line of sight between the boat and the hilltop antenna. I've hit a repeater on a 3,500 ft mountain from 85 nautical miles away (over water) with a 5 watt HT and one of my club members conducted a net from Santa Catalina Island off the California coast through a repeater 88 miles away on the mainland with an HT.
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