L-3 Media Update: ULA Atlas V AEHF-4 Mission Set to Launch Oct. 17

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 profile video here: https://www.youtube.com/watch?v=ir6zIbHGTuA

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