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  2. AN/MPQ-64 Sentinel - Wikipedia

    en.wikipedia.org/wiki/AN/MPQ-64_Sentinel

    The antenna uses phase-frequency electronic scanning technology, forming sharp 3D pencil beams covering large surveillance and track volume. It uses a rotating platform with a high scan rate (30 RPM) to provide 360 degree coverage. The radar is designed with high resistance to electronic countermeasures (ECM) and anti-radiation missiles (ARM). [1]

  3. AN/FLR-9 - Wikipedia

    en.wikipedia.org/wiki/AN/FLR-9

    The AN/FLR-9 Operation and Service Manual [2] describes the array as follows: . The antenna array is composed of three concentric rings of antenna elements. Each ring of elements receives RF signals for an assigned portion of the 1.5 to 30-MHz radio spectrum.

  4. Television antenna - Wikipedia

    en.wikipedia.org/wiki/Television_antenna

    A Winegard 68 element VHF/UHF aerial antenna. This common multi-band antenna type uses a UHF Yagi at the front and a VHF log-periodic at the back coupled together. When a higher-gain antenna is needed to achieve adequate reception in suburban or fringe reception areas, an outdoor directional antenna is usually used.

  5. SINCGARS - Wikipedia

    en.wikipedia.org/wiki/SINCGARS

    Soldier's Manual of Common Tasks Warrior Skill Level 1 (STP 21-1-SMCT), Headquarters Department of the Army, Washington D.C. 11 September 2012. (p. 3-99, task #113-587-2070) Tactical Single-Channel Radio Communications Techniques (FM 24-18), Headquarters Department of the Army, Washington D.C. 30 September 1987.

  6. NYC educators accused of sending inappropriate messages to ...

    www.aol.com/news/nyc-educators-accused-sending...

    At least six teachers busted for inappropriate communications and relationships with NYC students are still licensed to teach in New York.

  7. Antenna rotator - Wikipedia

    en.wikipedia.org/wiki/Antenna_rotator

    An antenna rotator (or antenna rotor) is a device used to change the orientation, within the horizontal plane, of a directional antenna. Most antenna rotators have two parts, the rotator unit and the controller. The controller is normally placed near the equipment which the antenna is connected to, while the rotator is mounted on the antenna ...

  8. List of United States Army Field Manuals - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States_Army...

    FM 100–5, Operations of Army Forces in The Field: 6 September 1968 [23] This manual supersedes FM 100–5, 19 February 1962, including all changes. W. C. Westmoreland INACTIVE: C1, FM 100–5: FM 100–5, Field Service Regulations, Operations (with included Change No. 1) 7 February 1964 [24] This manual supersedes FM 100–5, 27 September 1954,

  9. Television transmitter - Wikipedia

    en.wikipedia.org/wiki/Television_transmitter

    A television transmitter is a transmitter that is used for terrestrial (over-the-air) television broadcasting.It is an electronic device that radiates radio waves that carry a video signal representing moving images, along with a synchronized audio channel, which is received by television receivers ('televisions' or 'TVs') belonging to a public audience, which display the image on a screen.