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  2. Apollo PGNCS - Wikipedia

    en.wikipedia.org/wiki/Apollo_PGNCS

    Apollo Command Module primary guidance system components Apollo Lunar Module primary guidance system components Apollo Inertial Measurement Unit. The Apollo primary guidance, navigation, and control system (PGNCS, pronounced pings) was a self-contained inertial guidance system that allowed Apollo spacecraft to carry out their missions when communications with Earth were interrupted, either as ...

  3. Androgynous Peripheral Attach System - Wikipedia

    en.wikipedia.org/wiki/Androgynous_Peripheral...

    The fourth one was used for the Apollo-Soyuz Test Project, Soyuz 19 the only Soyuz to actually use the docking system, while the last APAS-75 fitted to Soyuz 22 was replaced by a camera prior to flight [8]. On the American side the Apollo–Soyuz Docking Module carried one APAS-75 docking collar and one Apollo docking collar.

  4. Apollo Guidance Computer - Wikipedia

    en.wikipedia.org/wiki/Apollo_Guidance_Computer

    Astronauts manually flew Project Gemini with control sticks, but computers flew most of Project Apollo except briefly during lunar landings. [6] Each Moon flight carried two AGCs, one each in the command module and the Apollo Lunar Module, with the exception of Apollo 7 which was an Earth orbit mission and Apollo 8 which did not need a lunar module for its lunar orbit mission.

  5. Manual fire alarm activation - Wikipedia

    en.wikipedia.org/wiki/Manual_fire_alarm_activation

    In Europe, Australia, New Zealand and Asia, pull stations are generally not used; instead, a manual call point is used, which is usually referred to as an MCP, call point, break-glass point, or Fire Point within the fire protection industry and as a "transmitter" in Japan. They are used to allow building occupants to signal that a fire or other ...

  6. Addressability - Wikipedia

    en.wikipedia.org/wiki/Addressability

    Within the field of cable television or CATV, for example, an Addressability System or Addressable System may enable and control the distribution of cable services. The system creates a conditional access system (CAS), and allows the cable system to control and administer which cable products a customer may purchase and/or view.

  7. Unified S-band - Wikipedia

    en.wikipedia.org/wiki/Unified_S-band

    Apollo 15 Lunar Module and Lunar Roving Vehicle, August 1, 1971.The S-band dish antenna for the rover is visible. The Unified S-band (USB) system is a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL).

  8. Fire alarm control panel - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_control_panel

    Coded panels were the earliest type of central fire alarm control, and were made during the 1800s to the 1970s. A coded panel is similar in many ways to a modern conventional panel (described below), except each zone was connected to its own code wheel, which, depending on the way the panel was set up, would either do sets of four rounds of code until the initiating pull station was reset ...

  9. Dial peer - Wikipedia

    en.wikipedia.org/wiki/Dial_peer

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