Raytheon's N e w Professional Loran Is Highly Accurate And Also Exceptionally Easy To Use

Raytheon's new Raynav 780 Loran- C Navigator is a rugged, commercial- quality, weatherproof unit designed, according to the manufacturer, with the most advanced technology available to bring mariners a new, unbeatable, high-level of accuracy.

Yet this Loran is exceptionally easy to use and has rotary and keypad controls to eliminate operator confusion.

Five lines of data are displayed simultaneously, with most important data displayed in the largest size. Raytheon's Raynav 780 is the only Loran in its class to show lat/ long or TDs in half-inch-high readouts.

Information provided on the LCD also includes bearing, range and time to next waypoint; distance to final waypoint; present speed and course; velocity toward destination and along route; course made good; and cross-track error with steering guidance.

Simply turn on this Loran and switch to any function. Operations that once required tedious study, now take only seconds for initial setup, using on-screen prompts.

Programmable for up to 99 waypoints, the Raynav 780 has automatic/ manual route sequencing, and 10 quick-access "save" memories.

Automatic and manual selection of GRI and secondary Loran stations help provide the highest degree of accuracy. To make navigation easier, this Loran offers automatic corrections for magnetic variation and Loran signal deviation (ASF). The Raynav 780 also allows manual correction of lat/long or TD offset, and provides automatic home-position corrections.

The Raynav 780 has a built-in clock which gives date and time. For sailboat racers, it has a stop-watch and count-down timer. Of special interest to fishermen is the waypoint "arrival" alarm which can be used to signal the approach to fishing grounds, or alert when own vessel exceeds preset limits for anchordrift and cross-track error.

The Raynav 780 has one preset and six automatically adjusted notch filters to eliminate unwanted noise interference. Two separate data outputs are available (NMEA 0180/0182/0183 or JRC/Raytheon formats) and can be independently controlled for interface with GPS, SatNav, radars, depth indicators, fishfinders, plotters, autopilots, steering indicators, sailing instruments, and other computers.

Equally at home on large ships, workboats, fishboats, megayachts and other power and sailboats, the Raynav 780 is designed as an attractive "look-alike" companion to Raytheon's Raystar 920 GPS Receiver and RAY 90 VHF Radiotelephone.

Together, these three units fit easily into overhead equipment racks with optional flush-mount kits.

For more information on the Raynav 780 Loran-C, Circle 13 on Reader Service Card

Maritime Reporter Magazine, page 88, Apr 1989

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Maritime Reporter

First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.