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  2. North American railroad signaling - Wikipedia

    en.wikipedia.org/wiki/North_American_railroad...

    By the 1850s, railroad operating rules, often printed as pamphlets or on the back of a time card, had evolved to near universal application. On April 14, 1887 representatives of 48 railroads voted for the adoption of what is now known as the Standard Code of Operating Rules (SCOR), published by the AAR. Thus, all railroad rule books in North ...

  3. Wikipedia:Citation templates - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Citation_templates

    For a citation to appear in a footnote, it needs to be enclosed in "ref" tags. You can add these by typing <ref> at the front of the citation and </ref> at the end. . Alternatively you may notice above the edit box there is a row of "markup" formatting buttons which include a <ref></ref> button to the right—if you highlight your whole citation and then click this markup button, it will ...

  4. Help:Books/for experts - Wikipedia

    en.wikipedia.org/wiki/Help:Books/for_experts

    A template can be excluded from content by using {}. Support for this feature in various rendering services cannot be guaranteed. Note: Many templates use other templates to function. Therefore groups/types of templates (such as navboxes, sidebars and article message boxes) are excluded by adding the commonly used template to this category.

  5. Electromagnetic compatibility - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_compatibility

    These incorporate bandwidths and detectors as specified by international EMC standards. An EMI receiver may be based on a spectrum analyser to measure the emission levels of the DUT across a wide band of frequencies (frequency domain), or on a tunable narrower-band device which is swept through the desired frequency range. EMI receivers along ...

  6. British railway technical manuals - Wikipedia

    en.wikipedia.org/wiki/British_railway_technical...

    The Rule Book provides definitions of railway equipment and operating procedures. Railway Group Standards. Several documents on current and former standards. Available as Printed Books from Willsons Printers Newark Ltd The Office of Rail Regulation (ORR) produce a document Guidance on Infrastructure

  7. Hours of service - Wikipedia

    en.wikipedia.org/wiki/Hours_of_service

    HOS Final Rule On 27 December 2011 (76 FR 81133), FMCSA published a final rule amending its hours-of-service (HOS) regulations for drivers of property-carrying commercial motor vehicles (CMVs). The final rule adopted several changes to the HOS regulations, including a new provision requiring drivers to take a rest break during the work day ...

  8. 2024 NFL playoff picture: Who’s sealed their spot and who’s ...

    www.aol.com/sports/2024-nfl-playoff-picture...

    The NFL playoffs are nearly in sight and the heat is on for some teams still in the fight to make the postseason.. Week 15 saw the number of teams that have qualified for the playoffs increase to ...

  9. Automatic test equipment - Wikipedia

    en.wikipedia.org/wiki/Automatic_test_equipment

    Keithley Instruments Series 4200 CVU. Automatic test equipment or automated test equipment (ATE) is any apparatus that performs tests on a device, known as the device under test (DUT), equipment under test (EUT) or unit under test (UUT), using automation to quickly perform measurements and evaluate the test results.