PDS_VERSION = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 1997-09-17 NOTE = "MGS RST Instrument Health Report HEA7260A.TXT" END_OBJECT = TEXT END Errata ====== Joe Twicken miscalculated the Allan Deviation for the MOI post-egress occultation period (HEA7259A.TXT). The correct values should be: Integration Time (secs) Allan Deviation ----------------------- --------------- 1.6384 9.2389e-13 26.2144 1.3453e-13 Engineering Data ================ Engineering Data Statistical Summary from CSV2STAT: First SCET: 1997-09-16T00:00:00.443 Last SCET: 1997-09-16T15:33:05.064 CHANNL CHANNEL TITLE DN-LO DN-HI EU-LO EU-HI EU-AVG/STDEV RECDS ------ ------------- ----- ----- --------- --------- ---------/-------- ----- F-0190 HGA_AZ_ANG 0 0 0.00E+00 0.00E+00 0.00E+00/0.00E+00 867 F-0195 HGA_EL_ANG 0 0 0.00E+00 0.00E+00 0.00E+00/0.00E+00 867 L-0034 MOT1_RANGING 0 0 13877 L-0036 MOT1_TLM_MOD 0 0 13878 L-0037 MOT1_USO_ENA 0 0 13877 L-0044 MOT2_RANGING 1 1 13877 L-0046 MOT2_TLM_MOD 1 1 13878 L-0047 MOT2_USO_ENA 1 1 13877 L-0053 RF_SW_OSC 2 2 13878 L-0060 TWTA1_FILMNT 0 0 13877 L-0061 TWTA1_HV 0 1 27875 L-0070 TWTA2_FILMNT 1 1 27875 L-0071 TWTA2_HV 0 0 13877 L-0080 USO_PWR 0 0 13877 L-0090 KaBLE_STAT 0 0 13877 L-0091 KaBLE_ENABLE 0 1 27875 L-0111 MOT1_RCV_AGC 255 255 -1.53E+02 -1.53E+02 -1.53E+02/9.03E-07 6939 L-0121 MOT2_RCV_AGC 160 255 -1.53E+02 -1.27E+02 -1.31E+02/7.65E-02 6939 L-0131 TWTA1_HLX_I 0 1 -3.84E-02 -1.85E-02 -3.83E-02/1.28E-05 6939 L-0132 TWTA1_ANOD_V 0 2 -1.00E+03 -1.00E+03 -1.00E+03/4.06E-03 6939 L-0141 TWTA2_HLX_I 38 42 7.05E-01 7.85E-01 7.42E-01/1.64E-04 6938 L-0142 TWTA2_ANOD_V 58 63 -8.72E+02 -8.62E+02 -8.66E+02/1.59E-02 6938 L-0200 USO_REG_V 203 205 4.06E+00 4.10E+00 4.08E+00/9.35E-05 6938 L-0201 USO_OVEN_V 123 126 2.46E+00 2.52E+00 2.48E+00/1.14E-04 6938 T-0302 EPC1_T 150 154 1.30E+01 1.47E+01 1.37E+01/7.25E-03 1734 T-0303 EPC2_T 154 158 1.13E+01 1.30E+01 1.22E+01/7.68E-03 1734 T-0310 RF_ISOLTR1_T 215 219 8.56E+00 1.16E+01 1.03E+01/4.30E-03 6938 T-0311 RF_ISOLTR2_T 201 204 1.83E+01 1.98E+01 1.91E+01/3.48E-03 6938 T-0312 TWT1_T 214 218 9.37E+00 1.23E+01 1.06E+01/1.15E-02 1734 T-0313 TWT2_T 195 199 2.08E+01 2.25E+01 2.17E+01/9.13E-03 1734 T-0315 USO_T 174 181 9.61E+00 1.18E+01 1.06E+01/1.09E-02 1734 T-0316 KA_AMP_T 204 208 1.61E+01 1.83E+01 1.73E+01/6.59E-03 3468 L-0200, L-0201, and T-0315 are nominal. Several status channels seemed confused during 97/259 (as well as on other recent days). L-0061 and L-0091, which would ordinarily be either 0 or 1 for long periods, appear to have siwtched back and forth so many times that the plots are solid black between the two status levels. Open Loop Data ============== Data Collection --------------- No new data Anomalies --------- Data from DSS 14 during MOI are still not available on the NERT Cache. A phone call to DSOT this morning prompted another search on their part; but they had not been able to locate anything as of the time this report was compiled. Submitted ISA Z44141. Analysis -------- Data from the MOI egress occultation show both the neutral atmosphere and the ionosphere (Figure HEA7260A.PS1). Closed Loop Data ================ Data Collection --------------- We have obtained the following files from OSCAR and EPIC: Original File Name Name on SOPC ------------------------------ ------------ ATDF: ODF: 97259O260.DAT;1 7259260A.ODF IONCAL: TROPCAL: WEATHER: EOP: 970916-eop.long 20207294.EOP 970916-eop.short 62947294.EOP Ancillary Data ============== Data Collection --------------- We have obtained the following files from the CDB and other sources: Original File Name Name on SOPC ------------------------------ ------------ AMD: LIT: MIF: MPD: ONF: PCK: SCK: SFO: t0306.02.sfos 7256261B.SFO SOE: t0306.02.soe 7256260C.SOE SPK: TCK: mgs_spice_c_kernel_1997-259.ck 7259259A.TCK Figure Captions =============== HEA7260A.PS1: MOI occultation egress shows effects of the neutral atmosphere (positive frequency offset) before time 1.96 hours and the ionosphere (negative deflection) just before 1.98 hours. In this plot, the free space frequency is taken to be about 157.04 Hz. Figures ======= Plot(s) illustrate some of the points made in the text. Each plot is a PostScript file, created and printable on our SOPC. For report text file HEAydddC.TXT Figure N will be labeled HEAydddC.PSN and sent as the N+1st e-mail message of a set. We assume that you can strip off the e-mail headers and either display or print copies of the figures on a machine in your area. People who have indicated that they cannot handle these files by e-mail are not included in the e-mail distribution of figures.