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    Next featured IRSE event -Third IRSE Presidential Lecture, in conjunction with Mott MacDonald, "Semaphores to Radiowaves: Exploring the Technological Divide in UK Signalling"
    Tuesday 26 August 2025
    National Rail Museum, York, UK

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  1. Licensing
  2. Membership & Registration
  3. Qualifications & CPD
  4. Publications & Resources
  5. Get Involved
    Next featured IRSE event -Third IRSE Presidential Lecture, in conjunction with Mott MacDonald, "Semaphores to Radiowaves: Exploring the Technological Divide in UK Signalling"
    Tuesday 26 August 2025
    National Rail Museum, York, UK

  6. News
  7. About

Event Details



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The SSI Technician's Terminal - a Journey - York Section
04 Mar 2021 5:30 PM - 7:00 PM
Further information: York Section
SSI became part of the operational UK rail system in 1985, evolving from concepts developed in the late 1970s at British Rail Research. This is the well known part of the SSI revolution, but you cannot do much with SSI without the redoubtable Technician’s Terminal. Whilst it started life as little more than a teletype and tape recorder, it rapidly became a small cubicle next to the SSI which “did the job”. Apart from ongoing recording media obsolescence issues, many may think that it has not really changed a lot. Be that as it may, obsolescence has really caught up with the system now, and Park Signalling’s MT04 is the “state of the art” replacement. This paper tells the Technician’s Terminal story, where it is now, and where it is going on a changing railway.

For access to the online lecture, please click here.
Venue: Online
Location: - Online -
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