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mate satnav, GPS and Navtex navi- gation products. Recently, Robertson upgraded the software and hardware of its ser- vice-proven AP9 autopilot and re- named it the AP9MKII. The up- graded unit's software simplifies op- eration and increases the system's efficiency. While still able to main- tain highly precise steering control, the AP9MKII will now also accept navigation input directly from a sat- nav receiver as well as a loran. It can automatically sense type of heading sensor used and provide improved rate of turn control and can drive as many as Six rudder angle indicators. Options include follow-up or non- follow-up steering levers, watch alarm, dual station installation, AC power supply and control of both the rudder and bowthruster to maintain set heading at very low speeds or for precise maneuvering. The Shipmate RS6101 Navtex Receiver provides a full range of weather and safety information au- tomatically with free choice of transmitter stations. The RS6101 has only four control keys to insure simple, reliable operation. All addi- tional functions are performed via a printed menu that describes re- quired operator responses. The company is now offering the new RS5200 "black box" receiver which can be added to the Shipmate RS5100 SatNav receiver to upgrade it to complete GPS compatibility. The RS5200 senses when a reliable Navstar signal is available, switches over to the GPS mode, then switches back to Transit satnav re- ception—all automatically. Naviga- tion data is shown on the existing RS5100 display. This is a complete- ly hands-off procedure. As soon as GPS coverage is complete, esti- mated to be sometime in 1991, the RS5200 will become a 24-hour-a- day, worldwide navigation system. For vessel maneuvering, Rob- ertson-Shipmate offers the Rob- ertson Commander vessel maneu- vering system, which integrates con- trol of the thruster and main en- gines into a single, three-axis joy- stick and may be used in lieu of all other engine and rudder controls. The system is supplied as a compre- hensive main control station, con- taining three sub units—a joystick control module, an advanced auto- pilot and an engine select/thruset display module. Robertson-Shipmate also an- nounced that they are expecting FCC approval shortly for their RS7100 full duplex commercial VHF radiotelephone system. SIMRAD Circle 17 on Reader Service Card Simrad, Inc., Seattle, Wash., a leading supplier of hydro acoustics, navigations systems, radio-direction finders, ocean data systems and platform instrumentations to the marine industry, recently intro- duced the TL-900, a high-perform- ance, commercial grade loran. Some of the TL-900's outstanding fea- tures include a large LCD display which shows present position and March, 1988 navigation functions simultaneous- ly, automatic ASF correction and magnetic variation, 99 waypoints, 10 different routes with route follow- ing, four different alarms and data output in NMEA format. The unit has been tested in some of the worst loran-C coverage areas in the U.S. and the company has found it to be a top performer in terms of settling time, signal acqui- sition, tracking and user friendli- ness. SI-TEX Circle 18 on Reader Service Card The full-featured A-310 Satnav System from Si-Tex, Clearwater, Fla., offers the same operational performance as that used by large oceangoing vessels, but at a fraction of the price. Multiline display on backlighted screen presents a wide range of navigation data including: Present Latitude and Longitude po- sition, speed, heading, GMT and date, plus information on up to 20 previous satellite-fix positions and 20 future alerts. Additional displays include: Course-to-steer along with time and distance to waypoint, speed made good (SMG) and course made good (CMG). Other features include: A 99-way- point memory, Great Circle or Rhumb Line courses, true or mag- (continued) From Concept to Reality RANGE B nm RINGS 1 nm /V040 CD-N.up v .050 i HR 2000 HR 3000 The new generation Concept radar systems from Kelvin Hughes provide a unique and flexible approach to ergonomic bridge layout. Concept HR series has been developed to achieve total radar system integration in either existing vessels or bridge designs for the 90's. The high-resolution monitor, keyboard and processor can be situated remotely in any configuration - either bulkhead, deck console, deck head or desk mounted, or can form one fully-integrated unit in which the monitor angles can be adjusted to suit operator preference. Additional remote monochrome or colour monitors can also be included in the Concept package. fk Concept HR systems offer Relative Motion, True Motion and ARPA facilities, combined with E-Plot II, an enhanced version of the unique Kelvin Hughes electronic plotting program. Identical positioning of keyboard controls for these features throughout the range assists operational confidence and familiarity. Now, all ship data and status can be ideally zoned for instant assimilation, making Concept HR the perfect radar system for today's navigational realities. VRM 4-25nm ^LVIIM hughes .v \ « . -J. ... . , A subsidiary company of Smiths Industries pic. Kelvin Hughes Ltd., New North Road, Hainault, Ilford, Essex, IG6 2UR. England. Telephone: 01-500 1020 (National) + 44 1 500 1020 (International) Telefax: 01-500 0837 (National) +44 1 500 0837 (International) Telex: 896401 KELHUE G. Circle 287 on Reader Service Card 53
