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L-1 Media Update: ULA Delta IV WGS-9 Launch Set for March 18

Status Report From: United Launch Alliance
Posted: Friday, March 17, 2017

ULA LRR was completed today and everything is progressing toward the ULA Delta IV launch carrying the WGS-9 satellite for the U.S. Air Force. The mission is set to lift off on a ULA Delta IV rocket on Saturday, March 18 from Space Launch Complex-37 at Cape Canaveral Air Force Base in Florida. Today’s L-1 forecast shows a 90 percent chance of favorable weather conditions for launch. The March 18 launch window is 7:44-8:59 p.m. EDT.

Saturday, March 18, 2017
·         9:30 a.m.: Remote camera photographers meet at Cape Canaveral Space and History Center to caravan to SLC-37
 
Launch Forecast Summary:
Overall probability of violating weather constraints: 10%
Primary concerns: Cumulus Clouds
 
Overall probability of violating weather constraints for 24 hour delay: 20%
Primary concern: Liftoff Winds
 
ALL TIMES EASTERN TIME
 
LAUNCH
SATURDAY, MARCH 18
BARS + TONE – 6:54 P.M.
PROGRAM START – 7:24 P.M.
LAUNCH WINDOW—7:44 P.M. – 8:59 P.M.
 
DIGITAL SATELLITE C-BAND DOWNLINK
HD FORMAT
SATELLITE — SES 3
TRANSPONDER — 23
BAND — C-BAND DIGITAL
ORBITAL POSITION — 103°W
HD BANDWIDTH — 18 MHz (HALF TRANSPONDER`CD’)
UPLINK — 6394.000 V
DOWNLINK — 4169.000 H
SYMBOL RATE — 13
FEC — ¾
DATA RATE — 17.9705
DVBS – QPSK
MPEG 2
AUDIO EMBEDDED
 
Webcast available at www.ulalaunch.com  and www.youtube.com/unitedlaunchalliance
 

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