[IGSREPORT-31037] Wk 2426 MIT T2 Daily Analysis Report
Tom Herring
tah at mit.edu
Wed Jul 22 06:23:17 UTC 2026
Author: Thomas Herring
MIT GNAAC Combination: RMS comparisons betwen ACs
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OVERALL RMS and Chi fits for week 2426
All Sites | Sites common between Centers
CENTER # North East Up | NC North East Up
RMS Chi RMS Chi RMS Chi | RMS Chi RMS Chi RMS Chi
COD 311 1.00 0.54 0.98 0.54 3.93 0.61 | 78 1.09 0.60 1.00 0.55 3.52 0.57
SIO 358 1.60 0.61 1.65 0.61 4.31 0.69 | 78 1.67 0.66 1.69 0.65 4.73 0.81
GFZ 146 0.75 0.50 0.84 0.54 2.59 0.48 | 78 0.78 0.53 0.89 0.58 2.82 0.53
MIT 350 0.76 0.51 0.81 0.53 2.87 0.60 | 78 0.72 0.54 0.88 0.64 2.94 0.70
NGS 261 1.45 0.58 1.62 0.68 4.53 0.55 | 78 1.44 0.61 1.83 0.79 4.30 0.54
JPL 120 0.76 0.56 0.69 0.52 2.78 0.56 | 50 0.71 0.54 0.69 0.52 2.81 0.59
EMR 108 0.93 0.61 0.89 0.65 3.88 0.74 | 43 1.04 0.69 0.86 0.64 3.83 0.74
ESA 188 0.79 0.47 0.92 0.58 3.41 0.56 | 54 0.85 0.51 0.94 0.58 3.57 0.57
GRG 126 1.28 0.69 0.90 0.53 2.63 0.42 | 41 1.14 0.63 0.85 0.49 2.60 0.41
JGX 162 1.09 0.64 1.00 0.56 6.02 0.99 | 44 1.18 0.69 0.93 0.51 2.96 0.49
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Center variance scale factors for week 2426
CEN 186 187 188 189 190 191 192 | MEAN |
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COD 1.28 1.18 1.14 1.58 1.20 1.26 1.26 | 1.27 |
SIO 0.97 0.79 0.57 0.80 0.68 0.46 0.71 | 0.71 |
GFZ 8.50 9.07 7.90 8.60 8.68 7.89 7.64 | 8.33 |
MIT 1.09 1.03 1.04 0.99 1.17 0.94 0.94 | 1.03 |
NGS 210.67 238.07 257.94 323.84 331.12 363.05 263.40 | 284.01 |
JPL 5.26 5.82 5.58 5.96 5.40 3.77 4.00 | 5.11 |
EMR 2.75 2.82 3.18 2.49 2.64 2.27 2.38 | 2.65 |
ESA 5.50 4.17 4.40 7.12 3.90 5.34 4.59 | 5.00 |
GRG 49.72 45.40 42.78 36.28 52.06 44.18 54.70 | 46.45 |
JGX 57.91 55.90 43.34 46.96 48.02 40.51 44.14 | 48.11 |
NOTE: COD scale factor multiplied by 10^4
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FIT to reference frame at reference frame sites for week 2426
# -- Number of reference frame stations used by AC
CENTER # North East Up Frame
RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm)
COD 50 2.55 1.50 2.45 1.43 7.43 1.23 igc20
SIO 51 2.81 1.14 3.14 1.21 9.32 1.52 igc20
GFZ 47 2.59 1.83 2.90 1.87 7.11 1.32 igc20
MIT 51 2.59 1.99 2.97 2.21 7.38 1.72 igc20
NGS 45 2.89 1.29 3.46 1.59 9.66 1.25 igc20
JPL 50 2.27 1.73 2.69 2.10 8.23 1.67 igc20
EMR 41 2.52 1.74 2.03 1.50 7.46 1.42 igc20
ESA 49 2.16 1.38 2.39 1.56 6.69 1.10 igc20
GRG 48 2.60 1.49 2.91 1.75 7.43 1.19 igc20
JGX 43 2.54 1.56 2.55 1.44 7.27 1.21 igc20
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FIT to combined solutions at reference frame sites for week 2426
# -- Number of reference frame stations used by AC
CENTER # North East Up Frame
RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm)
COD 50 1.10 0.65 1.01 0.58 3.43 0.57 COMB
SIO 52 1.64 0.65 1.68 0.64 5.32 0.86 COMB
GFZ 47 0.83 0.58 0.97 0.63 2.93 0.54 COMB
MIT 51 0.76 0.58 0.78 0.59 3.04 0.71 COMB
NGS 46 1.36 0.60 1.83 0.81 4.70 0.60 COMB
JPL 50 0.71 0.54 0.68 0.53 2.62 0.54 COMB
EMR 41 0.93 0.63 0.96 0.70 4.29 0.82 COMB
ESA 49 0.84 0.52 0.90 0.58 3.23 0.53 COMB
GRG 48 1.17 0.66 0.74 0.44 2.59 0.41 COMB
JGX 43 1.16 0.71 0.83 0.47 2.98 0.50 COMB
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RESULTS FOR GPS WEEK 2426 DOW 0
All Sites | Sites common between Centers
CENTER # North East Up | NC North East Up
RMS Chi RMS Chi RMS Chi | RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm) | (mm) (mm) (mm)
COD 311 0.96 0.51 1.00 0.56 3.89 0.60 | 79 0.93 0.52 0.99 0.55 3.57 0.58
SIO 363 1.87 0.60 2.19 0.69 4.69 0.62 | 79 2.07 0.70 2.05 0.66 4.97 0.71
GFZ 146 0.86 0.58 0.79 0.51 2.59 0.48 | 79 0.87 0.59 0.84 0.54 2.91 0.54
MIT 354 0.71 0.46 0.91 0.57 3.03 0.61 | 79 0.65 0.47 1.05 0.74 3.32 0.75
NGS 265 1.27 0.58 1.32 0.64 4.27 0.59 | 79 1.35 0.66 1.40 0.71 3.83 0.56
JPL 120 0.75 0.54 0.77 0.56 2.43 0.47 | 51 0.72 0.53 0.75 0.56 2.57 0.51
EMR 107 0.86 0.55 0.88 0.63 4.05 0.75 | 43 0.85 0.54 0.88 0.64 3.90 0.74
ESA 189 0.86 0.49 0.92 0.55 3.36 0.52 | 55 1.00 0.56 0.92 0.54 3.29 0.50
GRG 127 1.36 0.71 0.93 0.53 2.62 0.40 | 42 1.27 0.69 0.89 0.50 3.12 0.48
JGX 156 1.09 0.57 1.28 0.64 6.20 0.91 | 43 1.13 0.58 1.19 0.59 3.08 0.45
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RESULTS FOR GPS WEEK 2426 DOW 1
All Sites | Sites common between Centers
CENTER # North East Up | NC North East Up
RMS Chi RMS Chi RMS Chi | RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm) | (mm) (mm) (mm)
COD 308 0.95 0.53 0.96 0.55 3.39 0.55 | 74 1.10 0.63 0.90 0.52 3.12 0.53
SIO 354 1.64 0.61 1.73 0.63 4.37 0.67 | 74 1.76 0.69 1.72 0.63 4.62 0.76
GFZ 145 0.81 0.51 0.84 0.50 2.58 0.44 | 74 0.86 0.54 0.84 0.51 2.55 0.44
MIT 349 0.77 0.52 0.75 0.50 2.94 0.62 | 74 0.68 0.52 0.82 0.61 2.70 0.66
NGS 258 1.30 0.56 1.39 0.65 4.39 0.58 | 74 1.48 0.67 1.51 0.73 3.87 0.54
JPL 120 0.70 0.49 0.81 0.57 2.84 0.53 | 49 0.63 0.44 0.71 0.51 2.87 0.55
EMR 107 0.95 0.60 0.99 0.70 3.80 0.70 | 41 1.06 0.68 0.91 0.66 3.64 0.68
ESA 189 0.69 0.45 0.84 0.58 3.16 0.56 | 52 0.75 0.49 0.88 0.60 2.82 0.49
GRG 124 1.19 0.66 0.83 0.51 2.70 0.44 | 38 1.02 0.58 0.69 0.42 1.97 0.33
JGX 155 1.34 0.72 0.92 0.47 6.30 0.95 | 41 1.38 0.73 0.89 0.46 2.55 0.38
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RESULTS FOR GPS WEEK 2426 DOW 2
All Sites | Sites common between Centers
CENTER # North East Up | NC North East Up
RMS Chi RMS Chi RMS Chi | RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm) | (mm) (mm) (mm)
COD 311 0.94 0.53 0.91 0.53 4.02 0.67 | 79 1.06 0.61 0.86 0.51 3.56 0.61
SIO 362 1.37 0.61 1.45 0.60 3.99 0.72 | 79 1.37 0.64 1.57 0.67 4.09 0.79
GFZ 147 0.79 0.56 0.66 0.45 2.41 0.47 | 79 0.83 0.59 0.71 0.49 2.65 0.52
MIT 350 0.76 0.50 0.85 0.55 2.87 0.59 | 79 0.66 0.49 0.84 0.61 2.87 0.69
NGS 264 1.48 0.61 1.63 0.72 4.47 0.56 | 79 1.45 0.64 1.87 0.86 4.31 0.57
JPL 120 0.80 0.57 0.71 0.52 2.82 0.54 | 50 0.62 0.46 0.72 0.54 2.69 0.54
EMR 105 1.07 0.65 0.89 0.61 4.01 0.70 | 43 1.23 0.75 0.87 0.60 4.10 0.73
ESA 188 0.69 0.44 0.87 0.59 3.36 0.59 | 58 0.72 0.47 0.77 0.52 3.33 0.58
GRG 128 1.17 0.66 0.87 0.53 2.42 0.40 | 43 1.00 0.58 0.71 0.44 2.36 0.40
JGX 154 1.02 0.63 0.99 0.59 6.16 1.08 | 43 1.09 0.68 0.82 0.49 2.97 0.53
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RESULTS FOR GPS WEEK 2426 DOW 3
All Sites | Sites common between Centers
CENTER # North East Up | NC North East Up
RMS Chi RMS Chi RMS Chi | RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm) | (mm) (mm) (mm)
COD 310 1.10 0.53 1.12 0.56 4.14 0.58 | 79 1.12 0.55 1.20 0.59 3.89 0.56
SIO 354 1.83 0.64 1.63 0.56 4.50 0.66 | 79 1.92 0.70 1.75 0.61 5.46 0.84
GFZ 146 0.76 0.48 0.83 0.50 2.61 0.45 | 79 0.76 0.48 0.88 0.53 2.78 0.48
MIT 350 0.77 0.53 0.75 0.50 2.84 0.60 | 79 0.78 0.60 0.89 0.66 2.77 0.67
NGS 262 1.60 0.57 1.78 0.68 5.21 0.56 | 79 1.68 0.63 1.96 0.77 4.81 0.54
JPL 120 0.87 0.60 0.75 0.52 2.61 0.48 | 52 0.82 0.57 0.88 0.62 2.80 0.53
EMR 108 0.87 0.58 0.90 0.67 3.47 0.67 | 44 1.06 0.71 0.81 0.61 3.19 0.62
ESA 188 0.95 0.48 1.13 0.60 3.26 0.44 | 56 0.96 0.49 1.22 0.64 3.59 0.48
GRG 128 1.04 0.63 0.83 0.55 2.48 0.44 | 43 0.90 0.56 0.75 0.50 2.43 0.44
JGX 167 1.02 0.60 1.04 0.58 5.68 0.93 | 46 1.03 0.61 1.11 0.61 2.93 0.48
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RESULTS FOR GPS WEEK 2426 DOW 4
All Sites | Sites common between Centers
CENTER # North East Up | NC North East Up
RMS Chi RMS Chi RMS Chi | RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm) | (mm) (mm) (mm)
COD 306 1.00 0.55 0.91 0.51 3.69 0.59 | 76 1.18 0.68 1.02 0.58 3.10 0.52
SIO 355 1.70 0.68 1.44 0.57 4.15 0.68 | 76 1.66 0.69 1.52 0.61 4.40 0.75
GFZ 147 0.72 0.50 0.80 0.53 2.64 0.50 | 76 0.76 0.54 0.89 0.59 2.88 0.56
MIT 349 0.86 0.54 0.81 0.50 2.85 0.56 | 76 0.83 0.58 0.84 0.57 2.99 0.67
NGS 254 1.21 0.45 1.96 0.77 4.20 0.47 | 76 1.13 0.45 2.25 0.92 4.27 0.51
JPL 120 0.86 0.62 0.58 0.42 2.83 0.54 | 50 0.90 0.66 0.61 0.45 2.71 0.53
EMR 111 0.94 0.63 0.91 0.68 3.73 0.71 | 44 1.06 0.71 0.92 0.68 3.81 0.73
ESA 188 0.72 0.49 0.73 0.52 2.87 0.52 | 52 0.72 0.49 0.80 0.57 3.13 0.57
GRG 127 1.32 0.66 1.07 0.59 2.66 0.39 | 41 1.15 0.60 1.11 0.60 2.68 0.40
JGX 167 1.07 0.62 0.90 0.50 5.85 0.95 | 42 1.22 0.73 0.84 0.47 2.89 0.48
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RESULTS FOR GPS WEEK 2426 DOW 5
All Sites | Sites common between Centers
CENTER # North East Up | NC North East Up
RMS Chi RMS Chi RMS Chi | RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm) | (mm) (mm) (mm)
COD 316 1.04 0.56 0.99 0.55 4.21 0.65 | 81 1.08 0.58 0.97 0.53 4.01 0.64
SIO 361 1.10 0.52 1.37 0.61 4.10 0.79 | 81 0.99 0.51 1.48 0.68 4.62 0.96
GFZ 148 0.65 0.44 1.07 0.67 2.72 0.50 | 81 0.72 0.49 1.10 0.70 3.14 0.58
MIT 354 0.74 0.50 0.78 0.52 2.80 0.60 | 81 0.77 0.59 0.87 0.65 2.97 0.72
NGS 263 1.68 0.59 1.90 0.71 4.53 0.48 | 81 1.49 0.55 2.24 0.87 4.40 0.48
JPL 120 0.68 0.58 0.59 0.51 2.89 0.66 | 51 0.65 0.56 0.51 0.45 3.09 0.73
EMR 110 1.00 0.70 0.85 0.66 4.11 0.82 | 46 1.14 0.81 0.87 0.69 4.22 0.86
ESA 189 0.84 0.48 1.03 0.63 4.27 0.67 | 55 0.99 0.57 1.01 0.61 4.87 0.75
GRG 126 1.32 0.71 0.90 0.53 2.75 0.44 | 42 1.25 0.69 0.79 0.46 2.51 0.40
JGX 168 1.05 0.66 0.91 0.55 5.97 1.06 | 47 1.14 0.72 0.82 0.49 3.29 0.58
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RESULTS FOR GPS WEEK 2426 DOW 6
All Sites | Sites common between Centers
CENTER # North East Up | NC North East Up
RMS Chi RMS Chi RMS Chi | RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm) | (mm) (mm) (mm)
COD 317 1.02 0.56 0.95 0.54 4.06 0.64 | 82 1.16 0.65 1.03 0.59 3.25 0.53
SIO 358 1.59 0.63 1.61 0.63 4.32 0.70 | 82 1.72 0.70 1.69 0.67 4.81 0.81
GFZ 149 0.60 0.44 0.81 0.56 2.54 0.50 | 82 0.65 0.47 0.91 0.63 2.78 0.55
MIT 350 0.70 0.49 0.79 0.54 2.73 0.60 | 82 0.67 0.52 0.82 0.61 2.94 0.73
NGS 262 1.53 0.66 1.24 0.57 4.58 0.59 | 82 1.44 0.65 1.38 0.65 4.47 0.60
JPL 120 0.62 0.53 0.59 0.51 2.98 0.68 | 51 0.57 0.50 0.57 0.50 2.90 0.69
EMR 108 0.81 0.57 0.79 0.62 3.98 0.80 | 45 0.82 0.58 0.76 0.60 3.87 0.79
ESA 188 0.76 0.47 0.83 0.55 3.41 0.58 | 56 0.74 0.46 0.89 0.58 3.54 0.59
GRG 125 1.53 0.76 0.85 0.47 2.79 0.41 | 41 1.30 0.66 0.93 0.51 2.90 0.43
JGX 170 1.04 0.65 0.94 0.56 6.00 1.04 | 49 1.25 0.78 0.79 0.47 2.91 0.50
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CENTER SINEX ERRORS:
EMR NRMD Real TRM115000.00 TZGD dL1 0.0006 -0.0000 0.0644 dL2 0.0007 0.0002 0.0573 m ../glbs/h2607051200_EMR.gls
EMR NRMD Used TRM115000.00 TZGD dL1 0.0002 0.0001 0.0660 dL2 0.0003 0.0001 0.0580 m ../glbs/h2607051200_EMR.gls
JGX DYNG Eccentricity: Used 0.0000 0.0000 2.0180 Real 0.0005 -0.0027 2.0177 m ../glbs/h2607051200_JGX.gls
MIT WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607051200_MIT.gls
MIT WUHN Used TRM59800.00C NONE dL1 0.0002 0.0005 0.0907 dL2 -0.0002 -0.0002 0.1207 m ../glbs/h2607051200_MIT.gls
NOA PIN1 Real TPSCR.G5 SCIS dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607051200_NGS.gls
NOA PIN1 Used TPSCR.G5 SCIS dL1 0.0001 0.0006 0.0949 dL2 -0.0000 0.0004 0.1179 m ../glbs/h2607051200_NGS.gls
NOA WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607051200_NGS.gls
NOA WUHN Used TRM59800.00C ENCL dL1 0.0002 0.0005 0.0906 dL2 -0.0002 -0.0001 0.1207 m ../glbs/h2607051200_NGS.gls
SIO PIN1 Real TPSCR.G5 SCIS dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607051200_SIO.gls
SIO PIN1 Used TPSCR.G5 NONE dL1 0.0001 0.0006 0.0949 dL2 -0.0000 0.0004 0.1179 m ../glbs/h2607051200_SIO.gls
SIO WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607051200_SIO.gls
SIO WUHN Used TRM59800.00C NONE dL1 0.0002 0.0005 0.0907 dL2 -0.0002 -0.0002 0.1207 m ../glbs/h2607051200_SIO.gls
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