Coaxial Cable - Standard Horizon Eclipse DSC+ GX1100S Owner's Manual

7.3 COAXIAL CABLE

VHF antennas are connected to the transceiver by means of a coaxial cable –
a shielded transmission line. Coaxial cable is specified by it's diameter and
construction.
For runs less than 20 feet, RG-58/U, about 1/4 inch in diameter is a good choice.
For runs over 20 feet but less than 50 feet, the larger RG-8X should be used for
cable runs over 50 feet RG-213 should be used. For installation of the connec-
tor onto the coaxial cable refer to the figure below.
To get your coax cable through a fitting and into your boat's interior, you
may have to cut off the end plug and reattach it later. You can do this if
you follow the directions that are supplied with the connector. Be sure to
make good soldered connections.
GX1100S Page 9