Attachment Support Analysis

This document pretains to SES-STA-20140623-00542 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2014062300542_1051722

LEOP support of O3B-VS08 satellite Launch Vehicle
injection from USN’s Hawaii ground station

O3B-VS08 is the second satellite in a series of spacecraft to provide Internet
services to less populated areas of the planet. The spacecraft will be launched
from French Guiana on a Soyuz vehicle on July 3, 2014 at 18:55:20 UTC, with a
launch window of 33 minutes. USN has been contracted to support the pre-
injection burn of spacecraft during a single pass for a duration of 112 minutes.
Mission profile for USN is shown in figure 1. USN will only receive telemetry and
tracking information from the vehicle and will not uplink to the vehicle or
spacecraft.




Figure 1 - O3B-VS08 Launch vehicle coverage from Hawaii




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O3B-VS08 vehicle pass coverage
USN will track the launch vehicle from between the positions shown in table 1
below for a total duration of 112 minutes (also shown in figure 1 above). Table 1
assumes the launch takes place at the opening of the launch window (18:55:20
utc). The launch could delay up to 33 minutes and thus this time would be
linearly added to table 1 if such delay occurs. The tracking frequency is shown in
table 2. Data will be collected and forwarded to CNES in real-time.


                 Time        Spacecraft          Spacecraft         Spacecraft
                             sub-earth           sub-earth          Altitude
                             Latitude            Longitude
Acquisition of   20:11:41utc 2.5° South          149.5° East        5330 Km
Signal (AOS)
Loss of Signal 22:03:19utc 0.1° South            92.9° West         7839 Km
(LOS)
Table 1 – Support times and positions



            Downlink            Uplink
Soyuz       2218.0 MHz          N/A

Table 2 – Radio Frequency




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Document Created: 2014-06-23 11:39:55
Document Modified: 2014-06-23 11:39:55

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