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Technical details

The Rapic transmitter comprised a power supply and seven printed circuit cards plugged into a card cage utilising the multibus standard.

These cards initially were (a second generation soon followed)

A Bureau designed (by Frank Cummings) multibus 8088 processor card, the COM88, was introduced in1989. this card was configurable as either the main processor or a communication processor card.


The specification of the Rapic Transmitter

240mm high x 450mm wide x 450mm deep

Power:240vac, 50Hz, watts

Resolution: Range2km, Angular 1 degree

Output Data: Digital 2400Baud, synchronous RS232C

PC-8201 Maintenance Terminal
The NEC PC-8201 was manufactured from 1983 until 1987 and was one of the first lightweight, battery-powered notebook computers.
It is approx. 8.5" x 11" x 1", with a 40 character by 8 line black and white reflective LCD display. It has a standard RS-232 serial port and a standard parallel printer port. It was a sister to the Tandy Model 100, Model 102 and the Kyocera KC-85, and the Olivetti M-10 laptops.
The PC-8201 has three built-in firmware applications, (1) the BASIC computer programming language, (2) the TEXT editor, and (3) the TELCOM terminal emulator. It has no hard or floppy drives.
The TELCOM terminal emulator and RS-232 serial port made it so suitable for the role of a technician maintenance terminal for the Rapic transmitter. Though it could be powered by four AA batteries, the Radar Interface associated with the Rapic Transmitter provided the required DC supply voltage.