[Isocops] IBEX Orbit #603 ATS Approval (31 Mar - 09 Apr 2023)

[NIgel Angold]

I approve IBEX_2023_090_o0603a_v002.scr

I've performed all the checklist checks but have not filled out the 
checklist itself yet. I'll forward that to you when it's done. But the 
ATS is good for uplinking.

Thanks,
Nigel
> Perry, Timothy E [US] (SP) <mailto:Timothy.Perry at ngc.com>
> April 2, 2023 at 11:21
>
> All,
>
>    Attached are the planning files for Orbit #603.Please respond to 
> this thread with comments and approvals.
>
> Approvals are required by 0200, 03 April 2023.
>
> All,
>
> We will be deleting the timed commands for orbit 603 & 604 tonight and 
> up-linking a version 2 Orbit 603 ATS with apogee and perigee sun 
> maneuvers. We are experiencing a star tracker issue that prohibits us 
> from safely performing an inertial maneuver. Here are the changes to 
> note for the new version 2 ATS for orbit 603.
>
> Tonight’s contact:
>
> IBEX,USHI02,ADD,04/03/23,093,08:00:00,04/03/23,093,09:00:00,,LAHO 2K 
> IBEX-3 Orbit# 603 SC Replace ATS/Blind Acq Contact 40re Asc
>
> This will be blind acquisition. The transmitter off command for this 
> contact is in the ATS. A separate transmitter off command will be 
> uplinked at AOS just in case I am not able to up-link the ATS.
>
> The apogee Descending commands:
>
> Original descending commands started to execute @2023/04:04:10:01:48 
> and now they will be executing @2023/04:04:19:59:40. So, it is 
> important to complete ATS replacement prior to the execution of these 
> commands @2023/04:04:10:01:48.
>
> The apogee contact has been moved:
>
> IBEX,USHI01,DELETE,04/04/23,094,15:00:00,04/04/23,094,15:35:00,,LAHO 
> 2K IBEX-3 Orbit# 603 Apogee Tracking Contact 43re APO
>
> IBEX,USHI01,ADD,04/05/23,095,13:00:00,04/05/23,095,13:35:00,,LAHO 2K 
> IBEX-3 Orbit# 603 Apogee Tracking Contact 43re Desc
>
> The original Inertial maneuver executed @ 2023/04:04:11:57:46 and the 
> new sun maneuver executes @2023/04:04:21:55:38. So the apogee contact 
> had to be moved.
>
> The SSR contact at perigee has been extended to dump both orbits 602 
> and 603 data.
>
> IBEX,USHI01,DELETE,04/09/23,099,03:00:00,04/09/23,099,04:00:00,,LAHO 
> 160K IBEX-3 Orbit# 603 SSR_Dump/Tracking Contact 13re Desc
>
> IBEX,USHI01,ADD,04/09/23,099,03:00:00,04/09/23,099,04:30:00,,LAHO 160K 
> IBEX-3 Orbit# 603 SSR_Dump/Tracking Contact 13re Desc
>
> _All Contact changes have been confirmed at the time of the ATS 
> generation_.
>
> Please note the following:
>
>  1. Apogee Sun Maneuver*04/04/2023 21:55:38*
>
>  2. Perigee Sun Maneuver*04/09*/*2023 02:23:57*
>
> 3.Battery Balancing this orbit
>
> Begin 04/09/2023 10:00:00– End 04/09/2023 11:30:00
>
> 4.Command Load Constraint Violation Report (CCVR)
>
> IBEX_2023_090_o0603a_v002.ccvr
>
> # Input files:1
>
> #IBEX_2023_090_o0603a_v002.scr
>
> ==========================
>
> HARD CONSTRAINT VIOLATIONS
>
> ==========================
>
> NO VIOLATIONS.
>
> ==========================
>
> SOFT CONSTRAINT VIOLATIONS
>
> ==========================
>
> IBX-CLC-006: Planned transmission at 2023/04/09 02:58:00 UTC - 2023/04/09
>
> 04:32:00 UTC exceeds the maximum contiguous transmission time of
>
> 5400 seconds
>
> IBX-CLC-016: No command to enable spin pulse protection was found after
>
> transition to science mode at 2023/03/31 16:53:53 UTC
>
> IBX-CLC-016: No command to enable spin pulse protection was found after
>
> transition to science mode at 2023/04/04 23:10:44 UTC
>
> ==============
>
> OTHER MESSAGES
>
> ==============
>
> NO MESSAGES.
>
>
>
>
>
> Please restrict discussions on this email list to non-ITAR sensitive 
> topics.
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