1 00:00:01,810 --> 00:00:03,621 George Diller/NASA Launch Commentator: From Launch Complex 41 at 2 00:00:03,621 --> 00:00:10,680 Cape Canaveral in Florida, this is Atlas Launch Control at T-2 hours and holding. 3 00:00:10,680 --> 00:00:16,449 The countdown clock entered a planned 30 minute built-in hold approximately 6 minutes 4 00:00:16,449 --> 00:00:17,449 ago. 5 00:00:17,449 --> 00:00:21,830 And we’re now just two-and-a-half hours away from liftoff of NASA’s TDRS-L 6 00:00:21,830 --> 00:00:24,430 Tracking Data Relay Satellite. 7 00:00:24,430 --> 00:00:27,419 Launches atop a United Launch Alliance Atlas V rocket 8 00:00:27,419 --> 00:00:30,519 from Launch Complex 41 at Cape Canaveral. 9 00:00:30,519 --> 00:00:37,350 Launch window today extends from 9:05 to 9:45 p.m., a duration of 40 minutes. 10 00:00:37,350 --> 00:00:40,450 This will be the 43rd Atlas V launch. 11 00:00:40,450 --> 00:00:43,300 Of those, TDRS-L will be the 11th NASA mission to 12 00:00:43,300 --> 00:00:46,550 launch on an Atlas V rocket. 13 00:00:46,550 --> 00:00:52,500 (not intelligible)…had a weather briefing with Clay Flinn, our launch weather officer 14 00:00:52,500 --> 00:00:53,500 from 15 00:00:53,500 --> 00:00:55,540 the 45th Weather Squadron. 16 00:00:55,540 --> 00:00:59,970 And the conditions remain generally favorable, with just a 10 percent chance of not 17 00:00:59,970 --> 00:01:02,900 meeting our launch weather criteria. 18 00:01:02,900 --> 00:01:07,840 Currently at the launch pad the temperature is 55 degrees with winds from the north five 19 00:01:07,840 --> 00:01:09,869 to eight knots. 20 00:01:09,869 --> 00:01:14,549 At launch time the winds will be from the north 10 to 15 knots. 21 00:01:14,549 --> 00:01:17,670 The temperature will be 46 to 47 degrees. 22 00:01:17,670 --> 00:01:21,979 Visibility seven miles or greater with scattered clouds. 23 00:01:21,979 --> 00:01:28,710 And right now, there are no weather constraints toward a launch tonight other than the 24 00:01:28,710 --> 00:01:33,090 possibility of some thick clouds from the north from an approaching front. 25 00:01:33,090 --> 00:01:38,149 Otherwise, good conditions for a launch tonight. 26 00:01:38,149 --> 00:01:39,970 Looking aloft, no shears observed. 27 00:01:39,970 --> 00:01:44,460 Currently, the highest wind is at 45,000 feet at 105 knots. 28 00:01:44,460 --> 00:01:45,770 At this time, 29 00:01:45,770 --> 00:01:48,639 all of our launch preparations continue to go smoothly. 30 00:01:48,639 --> 00:01:54,390 We’re still targeting a 9:05 p.m. liftoff tonight.