| 11. | It is surmounted by an original Chance Brothers lantern with a modern VRB-25 self-contained rotating beacon mounted inside.
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| 12. | The 3rd Order optic was replaced by a rotating beacon, which possessed a revolving array of 24 lamps-cum-reflectors.
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| 13. | Recently, the old runway received a facelift, including : a new runway, taxiways, lights, and a rotating beacon.
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| 14. | High-intensity white strobe lights are part of the anti-collision light system, as well as the red rotating beacon.
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| 15. | The tower is used for the Coast Guard replaced the light in 2006 with a low-maintenance, post-mounted, rotating beacon.
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| 16. | Rotating lights often use a incandescent bulb, though some rotating beacons are now made with LEDs rather than bulbs.
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| 17. | The airport also has an AWOS weather station, a rotating beacon, and ILS and GPS approach on runway 31.
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| 18. | The new light consisted of a aviation-type rotating beacon of 250, 000 candlepower, visible, and flashing white every 7.5 seconds.
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| 19. | In 1968, a Cambridge radio astronomy magnetic fields and high rotational speed, pulsars would emit radiation similar to a rotating beacon.
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| 20. | The extended domes allowed for more rotating beacons, additional mirrors, and fixed-beam lights toward the center to replace the " lollipops ".
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