[Launch Alert] Launch Time Announced

[Launch Alert]

The following is a media update from the United Launch Alliance (ULA). Please direct all questions or comments regarding this update to the ULA.


"Good afternoon - everything is progressing toward the ULA Atlas V NROL-42 launch in support of national security. The mission, for the National Reconnaissance Office, is set to lift off on an Atlas V rocket on Thursday, Sept. 21 from Space Launch Complex-3 at Vandenberg Air Force Base in California. The launch time is 10:38 p.m. PDT."

"ALL TIMES PACIFIC
TRANSMIT TEST – SEPTEMBER 20, 2017
12:00 – 12:30 P.M.
 
LAUNCH – SEPTEMBER 21, 2017                                     
BARS AND TONE – 9:47 P.M.
PROGRAM START – 10:18 P.M.
TRANSMISSION FOR DIGITAL HIGH DEFINITON
SATELLITE: SES 3
TRANSPONDER: 24
BAND: C-Band Digital
ORBITAL POSITION: 103 degrees west
HD BANDWIDTH: 18 MHz (Half Transponder ‘CD’)
UPLINK FREQ: 6,414.000 MHz (Horizontal)
DOWNLINK FREQ: 4,189.000 MHz (Vertical)
SYMBOL RATE: 13
FEC: ¾
DATA RATE: 17.9705
DVBS-QPSK
MPEG-2
AUDIO EMBEDDED"