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ELECTRONICS UPDATE Harris Announces New Digital HF-SSB Radio System Harris Corporation's Long Range Radio Division has developed a new, extremely compact HF radio system designed with advanced, digital sig- nal processing techniques. The RF- 5000 was introduced at the 42nd AFCEA international exhibition held recently in Washington. Also introduced was Harris's full line of state-of-the-art military communi- cations equipment. In a unit weighing only 15 pounds, the RF-5000 Series digital radio sys- tem provides built-in high-speed data modem, adaptive HF (ALE) frequency management, ECCM (frequency hopping), digitized voice and burst transmission capabilities, at a greatly reduced cost. Near-term product improvement plans include embedded voice encryption. The tactical 20, 125, or 400-watt vehicular or fixed-station system features a common receiver-trans- mitter with optional plug-in com- munications system upgrade mod- ules. The receiver-transmitter is The RF-5000 Series digital HF-SSB radio system from Harris Corporation. just 7 inches wide, 5.5 inches high, and 12.1 inches deep. The RF-5000 Series radios can provide adaptive HF (ALE), ECCM, and high-speed modem waveforms in MIL-STD 188 stan- dards. The programmable digital modem allows co-resident, new high-performance waveforms along with existing waveforms (such as FSK). This simplifies conversion to new equipment while maintaining interoperability with existing assets, a key concern in military planning today. A complete line of 20, 125, and 400-watt power amplifiers and fast- tuning antenna couplers are avail- able for applications in tactical ve- hicular and fixed-station communi- cations networks. Standard features include 1.6 to 30-MHz frequency coverage in 10 Hz steps; 99 preset channels; chan- nel scanning; over-the-air or key- pad programming; built-in test to the module level; and ruggedized, submersible construction. A detachable front panel allows remote control up to 50 meters away. Multiple transmission wave- forms and Forward Error Correc- Jamesbury Expands Line Of Economical, Corrosion Resistant Vane Actuators An expanded line of Jamesbury® vane actuators is now available for economical service for a wide range of automatic on-off valve applica- tions. Addition of the V400 double- acting model and V100 SR spring- return unit extends the vane's torque output capacity to 500 ft./ lbs. and 95 ft./lbs., respectively. The complete line now includes three double-acting models with torque output capabilities for operating Jamesbury Double-Seal® ball valves to 8 inches, and Wafer-Sphere® but- terfly valves to 16 inches. Three spring-return models cover valve sizes up to 4 inches and 8 inches, tion (FEC) support 2400 baud oper- ation for optimal performance in single-frequency or frequency-hop- ping mode. A Linear Predictive Code (LPC) module digitizes voice signals for transmission in an ad- vanced ECCM environment. Harris Corporation, Rochester, N.Y., is a $2.1-billion supplier of information, communication and semiconductor systems, products and services to government and commercial markets worldwide. For more information and free lit- erature on the Harris HF-SSB Ra- dio System, Circle 102 on Reader Service Card respectively. According to Jamesbury, the thermoplastic polyester/stainless steel construction of these quarter- turn actuators make them especially well-suited for use in virtually any corrosive and acidic environment. Compact, lightweight design allows their use in locations where space or piping support is limited. The actuator consists of top and bottom symmetric housing, molded shaft/vane, three O-ring seals, and fasteners. Units have broad pres- sure/temperature ratings: maxi- mum supply pressures to 125 psi, temperature range -20 degrees F to +140 degrees F. For more information and free lit- erature on Jamesbury vane actua- tors, Circle 56 on Reader Service Card INTRODUCING THE EPOCH MARK D SERIES A new era in product oil carrier design. Hitachi Zosen has developed the EPOCH MARK II series which has a unique structure not found on conventional ship designs. Revolutionary in concept, the MARK II incorporates a unidirectional girder system combined with a complete double hull structure. While a ship's hull is customarily designed with a grillage of longitudinal and transverse members for strength, this system uses only longitudinal members in a double hull to provide sufficient strength. This unidirectional girder system results in unprece- dented structural simplicity and completely flush surfaced cargo tank interior. MARK II product oil carriers provide unrivaled advantages in performances over more conventional designs. The EPOCH MARK II series is available in 40, 60 and 80 thousands dwt designs. And has Won the approval of leading classification societies (ABS, BV, LRS, NK, DNV). At present many worldwide patents are under application. Hitachi Zosen is also expanding this new structural system for the development of combination cargo carriers such as PROBO or OBO carriers other than oil tankers. The Superior Performance of the EPOCH MARK II Series: o Tank configuration n i n o • Cargo/ballast segregation Unloading efficiency Cargo tank cleaning ' Cargo tank heating Cargo purity cargo tank coating Maintenance ballast tank coating Conventional hull construction stranding & collision EPOCH MARK II 1111" Pi I M i 11 i 11 r: Good *: Normal We build industries Hitachi Zosen HITACHI ZOSEN CORPORATION HITACHI ZOSEN INTERNATIONAL, S.A.: London: 8th floor Winchester House, 77 London Wall, London EC2N 1BX, England Phone: 01-628-3891/8 Telex: 887873, 884009 HITACHI ZOSEN U.S.A. LTD.: New York: 150 East 52nd Street, 20th floor, New York, NY 10022, U.S.A. Phone: 212-355-5650 Telex: 126582, 232036 HITACHI ZOSEN CORPORATION: Tokyo: 1-1-1 Hitotsubashi, Chiyoda-ku, Tokyo 100, Japan Phone: 03-213-6611 Telex: J24490 OVERSEAS OFFICES & SUBSIDIARIES: Diisseldorf: Grat-Adolf-Strasse 24, D-4000 Dusseldorf 1, West Germany Phone: 0211-133011/4 Telex: 8587231 Beijing: Room No. 6087, Beijing Hotel, Dong Chang An Jie, Bei|ing, The People's Republic of China Phone: 513-8516 Telex: 22519 Jakarta: Wisma Antara, 14th floor, Jalan Medan Merdeka Selatan 17, Jakarta, Indonesia Phone: 021-345948, 345943 Telex: 44496 Hitachi Zosen Clearing Inc.: 6499 Wesl 65th Street, Chicago, Illinois 60638, U.S.A. Phone: 312-767-8700 Telex: 254781 Hitachi Zosen Singapore (Pte.) Ltd.: No. 15, Benoi Road, Singapore 2262, Singapore Phone: 8616622/3 Telex: RS21213, RS21906 Hitachi Zosen Engineering Singapore (Pte.) Ltd.: UOB Building, 325 Boon Lay Place, Jurong, Singapore 2264, Singapore Phone: 2641344 Telex: RS21999 Hitachi Zosen Company (HK) Limited: Room No. 1009, Tak Shing House. 20 Des Voeux Road, Central. Hong Kong Phone: 5-220597, 5-246237 Telex: 73648 Hitachi Zosen Metalmecanica, Ltda : Rod. BR 101-Km 08 Carapina-Serra, Espirito Santo, Brazil Phone: 027-228-1555Telex: 272287 Circle 175 on Reader Service Card 28 Maritime Reporter/Engineering News
