Mime-Version: 1.0
Date: Fri, 25 Jun 1999 11:26:46 -0400
To: mike.machado@gsfc.nasa.gov, jacqueline.maldonado@gsfc.nasa.gov, brian.pickrell@gsfc.nasa.gov, david.myers@gsfc.nasa.gov, dmalone@pop500.gsfc.nasa.gov, pdouglas@pop500.gsfc.nasa.gov, tafkhami@pop400.gsfc.nasa.gov, jameraul@pop400.gsfc.nasa.gov, gkinnama@pop500.gsfc.nasa.gov, tbevilacqua@hotmail.com, rsodano@pop500.gsfc.nasa.gov, whitec@thorin.atsc.allied.com, william.worrall@gsfc.nasa.gov, enace@pop500.gsfc.nasa.gov, ad@srl.caltech.edu, steves@srl.caltech.edu, msuarez@pop800.gsfc.nasa.gov, ngilotra@csc.com, btucker2@csc.com, cchang8@csc.com, csprouse@cscmail.csc.com, erc@cosmicra.gsfc.nasa.gov
From: "Carline J. Cazeau" <ccazeau@pop500.gsfc.nasa.gov>
Subject: ACE Weekly 6_23_99

Mime-Version: 1.0
Date: Thu, 24 Jun 1999 16:41:47 -0400
To: gkinnama@pop500.gsfc.nasa.gov
From: Mike Machado <mmachado@pop500.gsfc.nasa.gov>
Subject: ACE Weekly 6_23_99
Cc: ccazeau@pop500.gsfc.nasa.gov

The ACE Mission Operations Room (MOR) was declared Y2K compliant and
operational  on June 18, 1999. This is the third and final ACE Mission
Operations Center (MOC) operational string to have been tested and declared
Y2K compliant.

On Wednesday, June 16, telemetry indicated that SEPICA Fan 3 pressure had
risen high enough for possible science collection. Two Operations Change
Requests (OCRs) were performed last week to adjust the proportional counter
output for 2kC High Voltage.

Performed Attitude maneuver on Wednesday, June 23.
Pre-Maneuver    HGA = ___-3.89____________     Sun Angle =
_____6.23__________
Post-Maneuver  HGA = ____4.31___________     Sun Angle =  ____13.71___________
Current S/C range:  ____1,507,300______________   km

Experienced intermittent VDS keyset failures throughout the past week but
were able to contact stations using ROLM phones.