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L-4 Media Update: ULA Atlas V AEHF-4 Mission Set to Launch Oct. 17

Status Report From: United Launch Alliance
Posted: Saturday, October 13, 2018

The ULA Launch Readiness Review was completed yesterday and everything is progressing toward the ULA Atlas V launch carrying the AEHF-4 mission for the U.S. Air Force. The mission is set to lift off on Wednesday, Oct. 17 from Space Launch Complex-41 at Cape Canaveral Air Force Station in Florida. Today’s forecast shows an 80 percent chance of favorable weather conditions for launch. The two hour launch window begins at 12:15 a.m. ET.
 
Please see the Atlas V AEHF-4 mission booklet here: https://www.ulalaunch.com/docs/default-source/launch-booklets/AEHF4_MOB_FinalA.pdf
 
Remote Camera Set Up and Launch
Credentialed media planning to put remote cameras on SLC-41 should meet at the Space and History Center no later than 2 p.m. on Tuesday, Oct. 16.
 
Credentialed media covering launch should meet at the Space and History Center no later than 10 p.m. on Tuesday, Oct. 16.
 
Launch Forecast Summary:
Overall probability of violating weather constraints: 20%
Primary concerns: Cumulus Clouds
 
Overall probability of violating weather constraints for 24 hour delay: 40%
Primary concern: Cumulus Clouds, Anvil Cloud Rule
 
Launch Broadcast
Live broadcast coverage of launch will begin at 11:55 p.m. ET on Oct. 16.
Live launch updates and webcast available at: www.ulalaunch.com
 
Launch Broadcast Satellite Coordinates + Webcast
ALL TIMES EASTERN
 
TUESDAY, OCTOBER 16
BARS + TONE – 11:24 P.M.
PROGRAM START – 11:55 P.M.
WINDOW OPEN – 12:15 A.M (OCTOBER 17)
 
DIGITAL SATELLITE C-BAND DOWNLINK
HD FORMAT
SATELLITE — G3
TRANSPONDER — 2
BAND — C-BAND DIGITAL
ORBITAL POSITION — 95°W
HD BANDWIDTH — 18 MHz (HALF TRANSPONDER)
UPLINK — 5,956.000 MHz (Horizontal)
DOWNLINK — 3,731.000 MHz (Vertical)
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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