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well, Mass., has introduced a com- plete line of technologically ad- vanced radar systems designed to meet commercial and workboat operating standards. Koden developed one of the first color video sounders over a decade ago and is one of the most respected names in marine electronics. The new radar line includes seven models, five of which have been designed to suit commercial re- quirements— MD-3730, MD-3731, MD-3751, MD-3711B, and MD- 3721A. They are available with ranges from 32 to 96 nautical miles. All feature 12-inch, daylight bright green (or amber) screens and eight-level quantization to facilitate discrimination of targets from sea- clutter, rain and snow. Additionally, a microwave integrated circuit (MIC) is positioned in the front end of the receiver where it maintains high receiving sensitivity with low loss, to clearly display small tar- gets. The use of a long-life magnetron ensures high reliability of the trans- mitter and modulator. Mechanical parts, common to other systems, were replaced with reliable, solid- state devices. Other features include two EBLs, two VRMs, audible/visible proximi- ty alarm, interference rejection, tar- get enhancement and 50 percent downward off-center plotting. All are standard capabilities of each unit. Picture presentation modes in- clude head-up, north-up and course-up. The latter two modes are available when an optional interface unit is used to connect a gyrocom- pass. Standard equipment supplied with each unit includes display unit, antenna unit with cable, power ca- ble, spare parts kit and installation materials. Koden has also introduced two Loran C units, the LR-771 and LR- 769, as well as two new color track display plotting units, the LTD-200 and LTD-100. KRUPP ATLAS Circle 87 on Reader Service Card Advanced navaids from Krupp Atlas Elektronik include the FCC type-approved 7600-8600 Series of Atlas rasterscan radars. Together with a 12-inch companion model, the Atlas 5600, well over 1,000 sys- tems have now been sold worldwide. A recently announced new 16-inch derivative, the Atlas 8630 VTC, has been specifically designed for port vessel traffic control applications and has already been ordered for service in China and elsewhere. Other products available include the NACOS 20 integrated naviga- tion bridge control system designed primarily for single manning and precision navigation at reduced cost. Typically comprising two ras- terscan radars, a doppler log, echo sounder and an adaptive radar-con- trolled autopilot, the main console also includes a full-color navigation information display unit as well as interfaces for other sensors and bridge equipment. The system has now been ex- tended with the introduction of NA- COS 25, a three-radar configuration with a special navigation control center and identical workstations for the watch-officer, pilot and mas- ter. All radars additionally display lat/long coordinates together with own-ship position. Originally developed for the West German "Ship of the Future" pro- gram, some 60 NACOS systems have now been sold worldwide for Ship of the Future, research and conventional newbuilding applica- tions. MACKAY Circle 98 on Reader Service Card Mackay Communications, Eliza- beth, N.J., a leader in service and communications for over 50 years, is now a premier marketing and sales organization. Shipowners, naval ar- chitects, government agencies, and shipyards can go to one source for all their equipment, consulting, ser- vice and installation needs. Mackay offers sales and service for a broad line of marine electronic equip- ment. Mackay has recently announced a new generation high frequency ma- rine radio console. The MRU-35M, is a 1,000-watt, solid-state unit that LET THE PROFESSIONALS Mackay COMMUNICATIONS FILL YOUR COMMUNICATION REQUIREMENTS MRU-35M OUR NEW STATE-OF-THE-ART MARINE RADIO CONSOLE 2 to 30 MHz, Continuous 100 Programmable Channels Modular Solid State Design SelectableOutput Power Levels with 1000 Watts PEP & AVG (Max) FCC Type Accepted Optional Radioteletype (SITOR) Communications Adaptable to Digital Selective Call- inc ^ Mackay EB SATURN 3S INMARSAT Satellite Communications Terminal INSTANT ACCESS TO WORLDWIDE TELEPHONE & TELEX NETWORKS OVER 1200 SYSTEMS COMMISSIONED Direct connection to: —Facsimile machine —Up to 6 remote phones —Existing on board telephone system —Data modem 441 U S Highway One. Elizabeth. New Jersey 07202 201-527-0300 212-571-0130 Distress alarm to alert authorities instantly of emergency conditions Teleprinterfurnished includes mem- ory and word processing Complete control of terminal from telephone handset and printer Easy installation Simple to operate • Exclusive U.S. Distributor. • Extensive Worldwide Support and Service Available SKANTI TRP 8258S HF/SSB RADIO Synthesized over 1.6 to 30 MHz fre- quency range 250 watt PEP SSB Radiotelephone All functions microprocessor con- trolled Can be used in the ARQ mode with an optional telex (SITOR) terminal FCC Type Accepted Flexible three unit system Optional dual control Circle 143 on Reader Service Card OIL SPILL and DEBRIS SKIMMERS The only skimmers "•f^. with our unique FILTERBELT system, proven effective gX fl in all oil spill JQ| conditions. H More than 75 operating worldwide • Full engineering & shipyard facilities • New construction or conversions • Standa rd or custom vessels REQUEST OUR FREE BROCHURE t^pARCO POLLUTION CONTROL 2300 West Commodore Way • Seattle, WA 98199 USA Phone (206) 285-3200 • Telex160587MARCO UT FAX (206) 283-4731 Circle 189 on Reader Service Card HI-CYCLIC VALVES (Airmatic/Beckett-Harcum I * For hydraulic & pneumatic system control—2. 3 or 4 way operation—lapped stainless steel spool & brass body Direct ported or manifold mount, single or stacking actuators, mechanical, direct solenoid, solenoid pilot & direct pilot—1 8" to 1 2" ports—NPT or SAE—hydraulic service to 2000 PSI— pneumatic to 150 PSI —Catalog AA-300 Call or write for more information Lexair.Inc. 299 Gold Rush Road Lexington, KY40503 Tel. (606) 276-5452 Circle 145 on Reader Service Card 14 Maritime Reporter/Engineering News
