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arfirefigher

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Posts: 31
Reply with quote  #1 
I see there is a new satellite launch set for 105W how long will the satellite be down if at all and how long will it take for the new one to be in service.
Thanks all!
Captain_Kurtz

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Posts: 2,384
Reply with quote  #2 
Not certain for this particular satellite, but typically they get launched into a temporary, vacant spot - e.g. around 85W - for testing, then moved to the intended spot (105W), then services are moved one by one from the old satellite(s) to the new, then the old satellite(s) are either moved or put into a graveyard orbit.
photoman76

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Posts: 9,433
Reply with quote  #3 
SES 11 will be tested at 142.5W for a thirty day period starting 11 days after launch.

http://licensing.fcc.gov/myibfs/download.do?attachment_key=1279131
Captain_Kurtz

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Posts: 2,384
Reply with quote  #4 
Quote:
SES 11 will be tested at 142.5W


Ooooh, cool - there hasn't been a satellite west of 139.0°W that I could receive since the old Echostar DBS satellite that was at 148
°W,
that was only a few degrees above the horizon for me, and I used an inverted offset dish to receive.

BTW, do you happen to know if it takes less fuel to move a satellite west than to move it east?
I thought that was true, which is why I guessed that they would test it somewhere east of its intended location of 105
°W.

arfirefigher

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Posts: 31
Reply with quote  #5 
Thanks all for the reply it has been very helpful!
Captain_Kurtz

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Posts: 2,384
Reply with quote  #6 
For those with a DISH Network subscription, the launch of Echostar 105 / SES 11 will be carried in HD on chs 89 & 9608 (DISH) tonight starting at 6:30PM Eastern.

UPDATE: Apparently the actual launch time is 6:53PM EDT:

https://rickcaylor.websitetoolbox.com/post/show_single_post?pid=1301562445&postcount=1&forum=98766


JimS

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Posts: 327
Reply with quote  #7 
Quote:
Originally Posted by Captain_Kurtz
BTW, do you happen to know if it takes less fuel to move a satellite west than to move it east?
I thought that was true, which is why I guessed that they would test it somewhere east of its intended location of 105
°W.


Once they get into the vicinity of geostationary orbit, they don't make major moves by thrusting laterally.  They move up or down to change their orbital speed until they've drifted into the intended location.

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