GPS-90/GPS-90D
GPS and Differential
GPS/Track Plotters
Compare the GPS-90 Models most wanted features like graphic navigation pages, track plotter, large display and a full keypad for quick, easy selection of all functions.

SI-TEX e-LORAN
Integrated GPS/Loran Receiver Sensor
Heading Position Better than 1° accuracy!
Extraordinary repeatability and unprecedented digital signal processing on a newly designed compact yet powerful DSP platform.

SI-TEX GPS-20A
True 18-channel GPS WAAS Receiver.
Adds unprecedented position accuracy to your existing electronics by utilizing advanced WAAS technology and best of all, it can be mounted virtually next to most other onboard electornics without signal interference.