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Laser from plane scanning queens ny last night
Ms Sans Serif
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[quote:LASERGURU 28023670:MV8yMDU3MjAwXzM0NTk0NzEwXzlDMzg4RkY0] Cheap green lasers can be purchased online for ~30$ which would be visible on the ground from a plane, and vice-versa. Precisely why you dont point at aircraft. Given the distance to the viewer on the ground, it would be difficult to distinguish the exact positioning / point of emission ie window, or bottom of the craft. To the poster above me ^^ 1,000$ is a common price for a class 4 DPSS 532, given that the laser is rated at 750mW stable and not just the peak. WL is notorious for fudging numbers... Depending on the distance, and divergence (with or without beam expander) 750mW being shone at anybodies face would be pretty dumb. A class 4 can cause eye damage to unprotected eyes over a great distance. Had it have been a common class 4 blue 445nm, you get into the 'blue light hazard' as well. As for seeing it from space, doubt it.. I have seen it done with the ISS, but from a dark location and with a stable 1W+ 445nm. They may see a faint flicker but no beam is going to appear to them. Wickedlasers sales propaganda is full of BS, do some reading and avoid those scamming morons. [/quote]
My son came home at 3 am this morning.He told me that while he was walking home from the subway a plane of some sort was fling over head he looked up at it and saw that it had a green light on the bottom of the plane from which a green laser scanned across a large area of ground and passed over him as well,a gas station attendent saw the same thing as him and tried to hide from it.He stayed out side for awhile and the plane continued ot fly over the area scanning.Did anyone else happen to see this or does anyone know what this could be about?
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