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  2. Process control network - Wikipedia

    en.wikipedia.org/wiki/Process_control_network

    A Process Control Network (PCN) is a communications network layer that is a part of the Industrial Automation networks in Process Industries. This network is used to transmit instructions and data between control and measurement units and Supervisory Control and Data Acquisition ( SCADA ) equipment.

  3. Personal communications network - Wikipedia

    en.wikipedia.org/wiki/Personal_Communications...

    Personal communications network (PCN) is the European digital cellular mobile telephone network. The underlying standard is known as Digital Cellular System, which defines a variant of GSM operating at 1.7–1.88 GHz. GSM-1800 has since been adopted by other locations, not necessarily under the PCN/DCS name. The network structure, the signal ...

  4. ACN-PCN method - Wikipedia

    en.wikipedia.org/wiki/ACN-PCN_method

    The Aircraft Classification Number (ACN) – Pavement Classification Number (PCN) method is a standardized international airport pavement rating system promulgated by the ICAO in 1981. The method has been the official ICAO pavement rating system for pavements intended for aircraft of apron (ramp) mass greater than 5700 kg from 1981 to 2020. [ 1 ]

  5. Personal Communications Service - Wikipedia

    en.wikipedia.org/wiki/Personal_Communications...

    In ITU Region 2, PCS are provided in the '1900 MHz' band (specifically 1850–1995 MHz). [5] This frequency band was designated by the United States Federal Communications Commission (FCC) and Industry Canada to be used for new wireless services to alleviate capacity caps inherent in the original Advanced Mobile Phone System (AMPS) and Digital AMPS (D-AMPS) cellular networks in the '850 MHz ...

  6. Engineering change order - Wikipedia

    en.wikipedia.org/wiki/Engineering_Change_Order

    Such changes include any that affect the form, fit, function, or the product technical specification (i.e., documentation) of the product. The desire for supplier or customer traceability may result in a reportable change. The entire PCN process is documented in GR-209, Issue 6, Generic Requirements for Product Change Notices (PCNs).

  7. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    APD – application for permit to drill; API – American Petroleum Institute: organization which sets unit standards in the oil and gas industry °API – degrees API (gravity of oil) APPRE – appraisal report; APS – active pipe support; APWD – annular pressure while drilling (tool) [5] ARACL – array acoustic log; ARESV – analysis of ...

  8. Product change notification - Wikipedia

    en.wikipedia.org/wiki/Product_change_notification

    A product change notification (PCN) is a document issued by a manufacturer to inform customers about a change to a mass-produced product or its manufacturing process. In the semi-conductor industry, the JEDEC standard J-STD-046 describes the requirements for product change notifications and examples of types of changes that should be notified.

  9. PCN - Wikipedia

    en.wikipedia.org/wiki/PCN

    Pecked curvilinear nucleated, in archaeology, a form of prehistoric rock carving; Penalty Charge Notice, a Fixed Penalty Notice issued by parking attendants and other civil enforcement officers; Pitcairn Islands, ISO-3166-1 alpha-3 code; Putnam City North High School; Post Christum natum (modern Latin: p.C.n., "After the Birth of Christ")