The ST24 eliminates the need of expensive upgrades when mounted on a tuna tower; a significant cost savings over competitive products. The ST24 also features a state-of-the-art 4.3 inch touch screen Graphic Antenna Control Panel (GACP) as standard equipment. Compact size, large viewing area and easily recognizable icons makes operating the GACP fun. The GACP is sleek and simple to operate with many new innovative features. Some of these features include interactive and intuitive graphics user interface, satellite selection capability, extended list of presets, built-in in service and out of service test, backup GPS information and manual control for AZ, EL and pol.