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  2. Automatic Warning System - Wikipedia

    en.wikipedia.org/wiki/Automatic_Warning_System

    AWS works in the same way as for signals, except that a fixed magnet is located at the service braking distance before the speed reduction and no electromagnet is provided (or needed). A single fixed magnet will always cause a warning indication to the driver, which the driver must acknowledge to prevent the emergency brake applying.

  3. Train Protection & Warning System - Wikipedia

    en.wikipedia.org/wiki/Train_Protection_&_Warning...

    Notably, the combination of TPWS and AWS is least effective in accidents like the one at Purley, where a driver repeatedly cancelled the AWS warning without applying the brakes, passing the danger signal at high speed. Purley was one of several high profile SPAD crashes in the late 1980s, that led to the initial plan in the 1990s for the mass ...

  4. Crocodile (train protection system) - Wikipedia

    en.wikipedia.org/wiki/Crocodile_(train...

    A crocodile is a component of train protection systems used in France and Belgium.It works similarly to the Automatic Warning System (AWS) used in the United Kingdom.. The crocodile can provide two different pieces of information to the driver, according to the aspect of the corresponding signal:

  5. Automatic train control - Wikipedia

    en.wikipedia.org/wiki/Automatic_train_control

    The ramps were provided at distant signals. A development of the design, intended for use at stop signals, was never implemented. If the signal associated with the ramp was at caution, the ramp would not be energised. The ramp would lift the shoe on the passing locomotive and start a timer sequence at the same time sounding a horn on the footplate.

  6. CEO Andy Jassy defended the spending during the company's earnings call on Thursday, pointing to "significant signals of demand" for AI-powered services. "When AWS is expanding its capex ...

  7. 2015 Wootton Bassett rail incident - Wikipedia

    en.wikipedia.org/wiki/2015_Wootton_Bassett_rail...

    This made hearing the AWS sounder and observing the AWS reminder light harder. Approaching signal SN43, there was a temporary speed restriction of 85 miles per hour (137 km/h), which was warned of by a temporary AWS magnet in advance of the restriction, and indicated by a sign at the start of the temporary speed restriction. [11]

  8. Is the smart money backing up the truck on Nvidia? [Video] - AOL

    www.aol.com/finance/smart-money-backing-truck...

    AMD and Amazon AWS ecosystems are a distant #2 and #3." ... Signal confidence around fiscal year 2026/calendar year 2025 with 60%+ year over year growth in data center sales (still leaves headroom ...

  9. 3 reasons why Nvidia is underperforming the S&P 500 going ...

    www.aol.com/finance/3-reasons-why-nvidia-under...

    AMD and Amazon AWS ecosystems are a distant #2 and #3." ... Signal confidence around fiscal year 2026/calendar year 2025 with 60%+ year over year growth in data center sales (still leaves headroom ...