Plessey PRS770. This set was said to be ex Home Office. Part Number 630/1/44701/001 450/1+1/S/1W Serial Number BH3581 Receive 450.425 MHz Transmit 464.425 MHz. If anyone has any information on these sets, can they please contact Dave Hicks G8EPR

Plessey 630 UHF Repeater. Plessey PRS770. Skanti-Plessey SRP 8255. Plessey Military Communications of Australia. PLESSEY VHF UHF 8000 SERIES TX-RX SYSTEM . THE PYE MUSEUM IS CLOSED DAVE HICKS G8EPR, MUSEUM CURATOR, HAD A SERIOUS ACCIDENT AT WORK IN EARLY 2016. SADLY HE DIED AT THE END OF APRIL 2017.

Plessey PRS 2282A (1985) The 2282A is considered by many to be one of the best HF monitoring receivers ever made. Apparently only 400 were made, and I have one! The receiver is quite large, but has pleasing looks and is laid out well for easy use.

Feb 26, 2016 · Plessey believed that in 1967 it had Europe’s most advanced silicon integrated circuit production facility. The images below are from 1967. The first image shows a probe testing slices of integrated circuits using a computer controlled tester.

The British Army pioneered a mobile communications system called Ptarmigan, developed with the Plessey Company from 1973. Ptarmigan was a digital mobile telephone system that was fully movable so that transmitters and their ‘cells’ could be added or taken away to expand, shrink and move the network.

The Plessey Company plc was a British electronics, defence and telecommunications company. It originated in 1917, growing and diversifying into electronics. It expanded after the Second World War by acquisition of companies and formed overseas companies.

Plessey; Ilford from Crystal Receiver to PRS-2282, year, Great Britain (UK), 38 pictures, 6 schematics, 29 tubes, 7 semiconductors, Radio Catalog

Plessey believed that in 1967 it had Europe’s most advanced silicon integrated circuit production facility. 1988 Plessey acquired Ferranti Semiconductors, creating Europe's largest semi-custom chip company. A new state-of-the-art silicon chip production facility near Plymouth was opened.

Feb 27, 2023 · The Rhode Island Computer Museum has a Plessey 6742/0 system that has a DEC 11/23 CPU and everything else made by Plessey. It runs RSTS from an 8" internal hard disk. https://www.ricomputermuseum.org/collections-gallery/equipment/plessey-6742-0

After several name changes and acquisitions, the company was merged into Plessey in 1961. [1] The company was reorganised in November 1911 by the cable manufacturer BICC, to make the Strowger system of automatic telephone exchanges (called "Step-by-Step" or SXS in Britain), under licence from the Automatic Electric Company of Chicago.