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  2. Television receive-only - Wikipedia

    en.wikipedia.org/wiki/Television_receive-only

    The dishes were nearly 20 feet (6.1 m) in diameter, [2] were remote controlled, [3] and could only pick up HBO signals from one of two satellites. [ citation needed ] Originally, the dishes used for satellite TV reception were 12 to 16 feet in diameter and made of solid fiberglass with an embedded metal coating, with later models being 4 to 10 ...

  3. Snell & Wilcox Zone Plate - Wikipedia

    en.wikipedia.org/wiki/Snell_&_Wilcox_Zone_Plate

    Snell & Wilcox SW2 and SW4 "Zone Plate" Test Chart (also referred to as Snell & Wilcox Test Pattern) were TV test cards introduced in the 1990s and used with NTSC, PAL and SDTV systems. [ 1 ] Popular versions of the test charts were made available on Laserdisc and DVD-Video , allowing home users and professionals to test and calibrate their ...

  4. Bluetooth - Wikipedia

    en.wikipedia.org/wiki/Bluetooth

    Pairing mechanisms changed significantly with the introduction of Secure Simple Pairing in Bluetooth v2.1. The following summarizes the pairing mechanisms: Legacy pairing: This is the only method available in Bluetooth v2.0 and before. Each device must enter a PIN code; pairing is only successful if both devices enter the same PIN code. Any 16 ...

  5. Distance measuring equipment - Wikipedia

    en.wikipedia.org/wiki/Distance_measuring_equipment

    D-VOR/DME ground station DME antenna beside the DME transponder shelter. In aviation, distance measuring equipment (DME) is a radio navigation technology that measures the slant range (distance) between an aircraft and a ground station by timing the propagation delay of radio signals in the frequency band between 960 and 1215 megahertz (MHz).

  6. List of NP-complete problems - Wikipedia

    en.wikipedia.org/wiki/List_of_NP-complete_problems

    The problem for graphs is NP-complete if the edge lengths are assumed integers. The problem for points on the plane is NP-complete with the discretized Euclidean metric and rectilinear metric. The problem is known to be NP-hard with the (non-discretized) Euclidean metric. [3]: ND22, ND23

  7. Apple Remote - Wikipedia

    en.wikipedia.org/wiki/Apple_Remote

    This is always 0x43f and can be used to identify an Apple Remote 5: Command Page: 0x0 for the pairing and other commands, 0xe for the different buttons 8: Device ID: A unique device ID, used to allow pairing of a remote to a specific device. It can be changed with the pairing command 7: Command: Actual command for the Command Page 1: Odd parity

  8. Duplicate bridge movements - Wikipedia

    en.wikipedia.org/wiki/Duplicate_bridge_movements

    The pair with the highest number is stationary, playing each of the other pairs in numerical order. The following table shows a complete Howell movement for four tables, which consists of seven rounds. The pair numbers are indicated in the same manner as for other "One Winner" Movements for games of various levels.

  9. Champagne Problems (Taylor Swift song) - Wikipedia

    en.wikipedia.org/wiki/Champagne_Problems_(Taylor...

    "Champagne Problems" is a song by the American singer-songwriter Taylor Swift from her ninth studio album, Evermore (2020). She wrote the song with Joe Alwyn, who is credited under the pseudonym William Bowery, and produced it with Aaron Dessner. "Champagne Problems" is a lo-fi tune driven by a rhythmic composition of piano and guitar riff.