wardialer From United States of America, joined Sep 2001, 1155 posts, RR: 0 Posted (9 months 2 weeks 1 day 10 hours ago) and read 1247 times:
Whenever theres a launch from Vandenberg AFB either a Minuteman 3 or a Delta rocket, are the distances or ranges ALWAYS measured in Nautical Miles or Miles when the rocket is guided to the kwajalein atoll?
Also, what about commercial aircraft? Are flight plans always use NM instead of Miles?
tdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 81 Reply 1, posted (9 months 2 weeks 1 day 2 hours ago) and read 1180 times:
Quoting wardialer (Thread starter): Whenever theres a launch from Vandenberg AFB either a Minuteman 3 or a Delta rocket, are the distances or ranges ALWAYS measured in Nautical Miles or Miles when the rocket is guided to the kwajalein atoll?
"Always" is a dangerous word but, given that most of the people they're talking to the whole time (aircraft, ships) are using nautical miles it would seem like a good idea to stay in consistent units.
Quoting wardialer (Thread starter): Also, what about commercial aircraft? Are flight plans always use NM instead of Miles?
I'm not sure about always, but I've never seen one in miles. Every one I've ever touched was in nm.
tdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 81 Reply 3, posted (9 months 2 weeks 20 hours ago) and read 1107 times:
Quoting wardialer (Reply 2): So do rockets like the Delta and the Minuteman use NM?
I mean not the rockets itself but the launch control tracking systems.
Control tracking radar natively measures azimuth (radians), elevation (radians), and time (seconds). It also needs latitude & longitude of the radar site (degrees) and siderial time (radians). Everything else is a conversion. I suspect they convert to nm for operator use but that would be just a convenience thing.
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