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channel selection by keyboard. A large selection of factory-pro- grammed channels is provided in- cluding all of the high-seas tele- phone (ITU) and ship-to-ship fre- quencies. In addition, the user may add up to 200 channels to suit indi- vidual needs. The model 230 is suitable for use with radio-teletype (ARO) equip- ment and offers a full 150 watts PEP output. Operation is from any 12-volt DC source or from a 115 VAC source with an optional built- in converter. Provisions have been made in the unit to scan up to 10 channels of the user's choice. Scanning can be inter- rupted either from the keyboard or remotely. A plug-in module is available to provide the standard two-tone emergency alarm broadcast. A sec- ond optional module permits full break-in CW operation. A new automatic antenna coupler, Hull model H-403CU, is offered to permit operation with typical ma- rine antenna systems. KRUPP ATLAS ELEKTRONIK Circle 29 on Reader Service Card Krupp Atlas Elektronik has in- troduced the low-priced Atlas 5400, a 12-inch conventional display rela- tive motion radar to complement its current range of 12- and 16-inch ras- terscan systems. Suitable for either stand-alone in- stallation or integration with other systems, the Atlas 5400 combines high-resolution display facilities with simplified LED-type data presentation. Three display modes are avail- able, head-up, course-up and North- up, together with an off-center ca- pability of up to half of the display radius. Other advanced features of the Atlas 5400 include a VRM with digital readout and a ship-oriented EBL, centered or movable with digi- tal display or absolute bearing. The Atlas 5400 complies with IMO requirements as well as other major specifications. It operates over a series of nine phased ranges from 0.3 to 72 nautical miles. The unit is available with an X- or S- band transceiver and antenna. The system can be interswitched with other Krupp Atlas Elektronik sys- tems such as the Atlas 5600, 7600 and 8600 rasterscan radars for cross connection or master/slave opera- tion. The unit also includes a per- formance monitor for the transceiv- er as well as comprehensive built-in self-check functions for added reli- ability. The Atlas 5400 is available with either an 8-foot or 14-foot slotted array antenna for X- or S-band operation. Its corresponding trans- ceiver output is 25 kw and 30 kw. MACKAY Circle 23 on Reader Service Card The Marine Division of Mackay Communications, Inc. recently an- nounced a new generation high fre- quency marine radio console. Designated MRU-35M, the newly designed product is a 1,000-watt, solid-state unit that incorporates the state-of-the-art communica- tions technology demanded in to- day's single side-band, CW and tele- type environments. It is suited for shipboard or fixed station applica- tion and is FCC Type Accepted. Four versions of the MRU-35M are available: Standard Simplex, Simplex ARQ, Full Duplex and Du- plex ARQ. The unit's all-channel, solid- state, linear amplifier (1020M) pro- vides 1000 watts RF power to the automatic antenna coupler (4030), and automatic power reduction to 125 watts for all frequencies below 4MHz. Optional equipment includes iso- lation transformer, noise suppres- sion line filter, 5050 Full Duplex Receiver, 35-foot whip antenna and radioteletype accessories. The Mackay Marine Division supplies, installs and services a wide array of communications equip- ment, including radio and satellite communications systems, naviga- tion system including radars, AR- PAs Loran C, GPS and Automatic Direction Finders, and Pollution Monitoring systems and Flow Me- ters. (continued) ULSTEIN CP'S NEVER LET YOU DOWN! Ulstein, N-6065 Ulsteinvik, Norway. Tel. +47 70 10 050. Telex 42 342. Telefax +47 70 11 442. SUBSIDIARIES: Ulstein (UK), Dunfermline. Telex 72 73 83 Ulstein Schiffstechnik, Hamburg. Teletex (17) 40 32 43 Ulstein Asia, Hong Kong. Telex 73 022 Ulstein (Singapore), Singapore. Telex 24 484 Ulstein Inc. New Orleans. Telex 78 49 80 Ulstein Maritime, Vancouver, Telex 35 35 60 iff Circle 111 on Reader Service Card •> «We know we were stubborn! When Ulstein first approched us with their Controllable Pitch Propellers 3 years ago, we did not realize the simplicity and benefits of their systems. After «shopping» around in Europe with different suppliers our conclusion was easy to take: Go with the ones that gives you the total consept and provides the best after sale service! Since then 9 systems ... The quality of their work is outstanding and two years of operation, now proves we did the right choice!® «lf you have problems in convincing your U.S. clients to go for C.P. propellers, - just tell them then to call us!». President Vice-President Edison Chouest Offshore M/V «Damon Chouest- is the most advanced towing anchorhandler ever been built in USA. The vessel was designed and built by North American Shipbuilding, with totally 11.000 bhp divided on three C.P. wheels. To increase manouvering and stand-by performance, two 1200 HP C.P. Jet Thruster were also installed.
