Software Development

GP Industrial Electronics, Plympton, Plymouth, UK.

GEC Telecommunications Ltd (Became GPT – GEC Plessey Telecommunications), Coventry, UK

System X

OS kernel process responsible for diagnostics of processor hardware
Coral (real time)
National network infrastructure for the UK, Columbia and China
Photo
Link
Some stuff about the environment. Shared 68000 cpu running UNIX, Print Room, Compiling Hat, 6 hours

Plessey Defence Systems (Became Siemens Plessey Defence Systems), Christchurch, Dorset, UK

Embedded line card firmware development on 8051 / 8088
Communications protocols. DTMP, Loop Discounnect, X.20, X.21, G.703, Loop Groups, Trunk Groups, Eurocom
Strategic and tactical communication systems
Intel MDS (in circuit emulators). 8” Floppy Disks

Ascom Radiocom

Modula-2 / Turbo Pascal / Assembler
Special working environment
Configuration Management Responsibiliy
MPT1327 based PMR systems (waterboards)
Slotted ALOAH protocols
Native ASCOM platform (Selectacom), MicroVAX as “controller”
Dispatcher Terminal, developed in Switzerland (my first visit was a business trip to Bern)
BR1661 / BR1845 Train Radio systems (British rail) – Danphone hardware
- Project Turnaround
- (early use of) Kanban - PO, Board, Dailies, Co-located team

Bramble Consulting Ltd

1st January 1994
First customer, Danphone, Pandrup, Nordjylland, Denmark (mobile software)
- To DK for three days to assess how the rest of the system was going, came home a year later
- Train Radio solution for KTMB, suburban railway system around KL
- Two teams developing a single solution using two different methods. (docs vs. Yourdon)
- Learned I am good at people change
2nd Customer: Securicor Radiocoms
- Moon!
- MPT1327 based narrow (12.5 KHz -> 5 KHz) band radio Linear
- Fylde Microdystems
  - 6303 based (assembler)
  - TMS 320 DSP
- Linear Modulation Technology
  - AM Band split modems – DSP, Pilot tone,
  - Data over simplex radio (buffering – systems design)
  - EFJ – US (emergency services)
Last software development focussed job

Emma