Page 9: of Maritime Reporter Magazine (March 1978)

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CAI Appoints

Gerald Harrison VP And

Director Of Engineering

Gerald S. Harrison

Communication Associates, Inc.,

Huntington Station, N.Y., has an- nounced the appointment of Ger- ald S. Harrison as vice president and director of engineering. He will be responsible for the engi- neering design and development of the company's expanding line of marine communication prod- ucts and systems.

Mr. Harrison's background in- cludes varied and extensive expe- rience in the marine product area.

Most recently, he was senior re- search engineer at Dynell Elec- tronics Corporation. Prior to that, he served as a department head at the Data & Controls Division of

Lear Siegler, Inc., and as a pro- gram manager for the General

Instrument Corporation.

A graduate of Pratt Institute,

Mr. Harrison received his M.E.E. degree from Polytechnic Institute of Brooklyn. He has taken post- graduate courses at Columbia

University and Polytechnic Insti- tute.

Mr. Harrison, a resident of

Long Island, N.Y., is founder and past president of The Long Island

Computer Association.

Literature Describes

Matched Systems Of

Navigational Aids

Tideland Signal Corporation of

Houston, Texas, reports outstand- ing results with systems of marine signal lanterns, fog sig- nals and solar power stations "matched" as to power supply and demand.

These matched systems are de- signed for specific geographical locations, taking into account available sunlight exposure and the detrimental factors of en- vironment. After six years of on-site testing, Tideland reports exceptional reliability of these systems.

The expected service life of

Tideland matched systems is over 10 years, unattended with only occasional maintenance. This means substantial savings in man- hours and parts replacement.

Offshore drilling rigs and pro- duction platforms are primary points of application. Matched systems would also find use in remote coastal areas where no power lines are available.

Key to the system is the array of Tideland SolaViva® solar en- ergy modules, each with 16 sili- con cells encapsulated in tough, virtually weatherproof special 255 borosilicate crown glass—a Tide- land exclusive. This glass "pack- age" assures the ultimate in pro- tection against moisture and the environment for the cells.

As light strikes the module, electrons are displaced from the cells and a charge flows to a bank of special charge-retaining stor- age batteries of a very slow self- discharging type. Note: solar ar- rays are high internal impedence current generators, not voltage devices. A 16-cell module will de- liver about the same current to a six-volt battery as it would to a two-volt cell.

Tideland matched systems are sized and balanced, power to load, by computer analysis using a 10-year period of weather expe- rience.

A 20-percent safety factor is added to the design of the sys- tem for increased reliability.

Sunswitches automatically turn off the lanterns in daylight. A matched system like this can give years of service.

For a complete description of matched systems, write to S.N.

Sprunt, Tideland Signal Corpora- tion, P.O. Box 52430, 4310 Direc- tor's Row, Houston, Texas 77052.

Marland/Clear Water

Takes the Bugs out of Type II MSD

Marland/Clear Water technical expertise and design techniques have developed the SS-600, MTT-3 and MTT-4 Physical/Chemical

MSD Systems. Each is U.S.C.G. certified and will meet future IMCO standards. Each is unique in that they were developed with you in mind.

To save you time and money, Marland/Clear Water modular sys- tems will fit through existing hatchways... will start up instantly... are compact in size ... easy and economical to install ... and virtually maintenance free.

We've taken all the "bugs" out of Type II MSD. No longer is there need for a full time sewage operator. No "special formulas" have to be added. No necessity for air pressure hook-ups. No "biological" processes. This is machinery you're familiar with. It is strictly mechanical and chemical.

Call Marland/Clear Water. We've taken the "bugs" out of Type II


Clear Water, Inc.


N. Main Street, Walworth, Wl. 53184 (414) 275-2171

New York Sales Office: (212) 734-4426

TWXi 910-278-2469 Marland

March 1, 1978 11

Maritime Reporter

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