ACE Weekly 03/05/2014 - 03/11/2014

All ACE spacecraft subsystems are performing as expected.

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Orbit/Attitude:

	Type         Attitude
	Date         03/11/2014
	DOY          070 2014
	Thrusters    2R 4R+ 4R-
	Duration     8:05 min
	Start        18:13:50z
	Stop         18:21:55z
	HGAStart     -8.25 deg
	HGAStop      +8.87 deg
	SunStart     17.29 deg
	SunStop      13.83 deg
	SpinStart    4.9819 rpm
	SpinStop     4.9833 rpm
	Nutation      0.10 deg
	Firing       41 pulses
	FuelUsed       0.1316 lbm
	FuelRemain   108.3784 lbm
	FinalSCMass  1342.638 lbm

The next attitude maneuver is scheduled for Tuesday 03/18/2014.

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OCRs:

None

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Activities:

Data Capture:  100%  DOY 061-068 2014

FDF has analyzed the following Near Earth Network range tests.  The
average range and Doppler residuals are included.
	02/10/2014  041  1450-1535z  WS1  -6.3m  +0.1mm/s
	02/10/2014  041  1614-1650z  WS1  -5.1m  -0.1mm/s
	02/17/2014  048  2055-2255z  WS1  -4.5m  -0.1mm/s
	02/18/2014  049  2145-2245z  WS1  -1.5m  -0.1mm/s
	02/19/2014  050  1830-1930z  WS1  -3.8m  +0.2mm/s
	02/20/2014  051  1940-2040z  WS1  -5.0m  -0.1mm/s
	02/20/2014  051  2130-2230z  WS1  -5.4m  +0.1mm/s

	02/03/2014  034  1615-1645   AGO3 -1.8m  -7.5mm/s
	02/19/2014  050  1630-1730   AGO3 -8.3m  -7.9mm/s
	02/27/2014  058  1700-1800   AGO3 -4.9m  -7.7mm/s
	02/28/2014  059  1530-1630   AGO3 -4.0m  -6.3mm/s
	02/28/2014  059  1700-1800   AGO3 -6.7m  -5.4mm/s

WS1 has met FDF DSCOVR certification requirements for both range and
Doppler.  AGO3 has met range but not Doppler certification requirements.
FDF suspects that the residual Doppler bias may be attributable to the
AGO Cortex NCO quantization.  FDF has proposed working with AGO3
personnel to investigate the problem.

These certification tests are specifically for the DSCOVR mission.  ACE
is also interested in using Santiago if FDF determines that the Santiago
ranging is sufficient to supplement or replace the DSN Canberra southern
hemisphere ranging.


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Anomalies:

None