[IGSREPORT-31047] Wk 2427 MIT T2 Daily Analysis Report
Tom Herring
tah at mit.edu
Wed Jul 29 06:22:46 UTC 2026
Author: Thomas Herring
MIT GNAAC Combination: RMS comparisons betwen ACs
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OVERALL RMS and Chi fits for week 2427
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 309 1.01 0.55 0.93 0.52 3.90 0.62 | 80 1.03 0.58 0.99 0.56 3.45 0.56
SIO 354 1.57 0.62 1.63 0.61 4.35 0.72 | 80 1.61 0.66 1.69 0.66 4.70 0.82
GFZ 148 0.76 0.50 0.88 0.53 2.76 0.51 | 80 0.77 0.51 0.96 0.59 3.06 0.56
MIT 350 0.71 0.49 0.75 0.51 2.83 0.61 | 80 0.71 0.54 0.82 0.61 2.85 0.69
NGS 261 1.42 0.56 1.59 0.67 4.33 0.53 | 80 1.42 0.60 1.81 0.79 4.13 0.53
JPL 120 0.78 0.56 0.71 0.53 2.81 0.54 | 49 0.72 0.54 0.67 0.51 2.79 0.56
EMR 108 0.88 0.59 0.89 0.67 3.75 0.72 | 45 0.97 0.65 0.92 0.69 3.84 0.75
ESA 188 0.83 0.50 0.84 0.53 3.35 0.56 | 56 0.87 0.54 0.84 0.53 3.20 0.53
GRG 124 1.20 0.68 0.87 0.55 2.85 0.48 | 41 1.11 0.66 0.78 0.49 2.70 0.46
JGX 167 1.20 0.68 0.95 0.51 6.24 1.00 | 46 1.35 0.77 0.89 0.49 3.24 0.52
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Center variance scale factors for week 2427
CEN 193 194 195 196 197 198 199 | MEAN |
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COD 1.33 1.13 1.15 1.29 1.23 1.28 1.25 | 1.24 |
SIO 0.51 0.91 0.66 0.60 0.56 0.68 0.62 | 0.65 |
GFZ 5.88 6.99 8.43 7.47 9.48 12.22 12.24 | 8.96 |
MIT 0.97 1.08 0.99 1.04 0.91 0.91 0.81 | 0.96 |
NGS 288.53 331.65 256.08 303.57 241.55 222.21 335.02 | 282.66 |
JPL 5.01 5.54 6.53 5.38 4.89 4.81 5.97 | 5.45 |
EMR 2.07 2.62 2.85 3.02 2.62 2.53 2.66 | 2.62 |
ESA 3.59 4.25 4.48 7.28 4.50 5.10 5.09 | 4.90 |
GRG 52.61 39.01 36.66 47.55 38.15 36.11 41.56 | 41.66 |
JGX 51.48 43.48 53.92 56.94 54.41 57.69 49.71 | 52.52 |
NOTE: COD scale factor multiplied by 10^4
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FIT to reference frame at reference frame sites for week 2427
# -- Number of reference frame stations used by AC
CENTER # North East Up Frame
RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm)
COD 50 2.45 1.47 2.44 1.44 8.35 1.40 igc20
SIO 50 2.91 1.22 3.28 1.29 8.91 1.51 igc20
GFZ 46 2.66 1.88 2.91 1.91 7.12 1.34 igc20
MIT 49 2.38 1.95 2.96 2.33 7.80 1.94 igc20
NGS 42 2.78 1.23 3.58 1.61 9.10 1.17 igc20
JPL 49 2.47 1.85 2.64 2.03 8.65 1.74 igc20
EMR 42 2.34 1.63 2.15 1.62 7.79 1.49 igc20
ESA 48 2.18 1.41 2.27 1.51 6.62 1.10 igc20
GRG 47 2.51 1.53 2.95 1.89 7.74 1.32 igc20
JGX 43 2.46 1.49 2.38 1.34 7.28 1.20 igc20
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FIT to combined solutions at reference frame sites for week 2427
# -- Number of reference frame stations used by AC
CENTER # North East Up Frame
RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm)
COD 50 1.02 0.61 0.95 0.56 3.58 0.60 COMB
SIO 50 1.48 0.61 1.67 0.65 4.54 0.77 COMB
GFZ 47 0.83 0.57 1.04 0.64 3.07 0.57 COMB
MIT 49 0.70 0.57 0.70 0.55 2.81 0.70 COMB
NGS 43 1.29 0.57 1.80 0.80 3.94 0.51 COMB
JPL 49 0.74 0.55 0.71 0.54 2.86 0.57 COMB
EMR 42 0.91 0.63 0.95 0.71 3.95 0.76 COMB
ESA 48 0.81 0.51 0.75 0.48 3.35 0.56 COMB
GRG 47 1.09 0.66 0.71 0.46 2.52 0.43 COMB
JGX 43 1.28 0.77 0.73 0.41 3.09 0.51 COMB
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RESULTS FOR GPS WEEK 2427 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 318 1.16 0.61 0.88 0.48 4.20 0.64 | 80 1.23 0.67 0.97 0.53 3.57 0.56
SIO 362 1.34 0.63 1.27 0.56 4.15 0.79 | 80 1.44 0.70 1.53 0.68 4.33 0.86
GFZ 150 0.62 0.49 0.56 0.42 2.69 0.58 | 80 0.70 0.55 0.63 0.48 2.83 0.61
MIT 351 0.71 0.49 0.72 0.49 2.88 0.62 | 80 0.70 0.52 0.75 0.55 2.88 0.69
NGS 263 1.48 0.60 1.57 0.68 4.60 0.57 | 80 1.46 0.62 1.89 0.84 4.57 0.59
JPL 120 0.76 0.57 0.70 0.54 2.73 0.55 | 49 0.66 0.51 0.61 0.47 2.14 0.44
EMR 108 0.88 0.67 0.77 0.65 3.80 0.82 | 45 1.04 0.78 0.81 0.68 3.99 0.86
ESA 188 0.74 0.52 0.70 0.52 3.55 0.68 | 56 0.90 0.63 0.72 0.53 3.20 0.60
GRG 125 1.42 0.71 0.95 0.53 3.20 0.48 | 40 1.19 0.61 0.83 0.46 2.77 0.41
JGX 168 1.16 0.66 1.05 0.57 6.65 1.06 | 46 1.32 0.75 1.09 0.59 3.66 0.58
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RESULTS FOR GPS WEEK 2427 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 314 0.95 0.55 0.84 0.50 3.63 0.61 | 80 1.18 0.70 0.88 0.53 3.20 0.55
SIO 360 1.84 0.63 2.05 0.67 4.77 0.68 | 80 2.19 0.79 2.33 0.78 4.89 0.74
GFZ 150 0.67 0.49 0.72 0.51 2.63 0.54 | 80 0.66 0.50 0.76 0.55 2.94 0.61
MIT 350 0.69 0.46 0.84 0.56 2.98 0.62 | 80 0.58 0.43 0.96 0.71 2.77 0.65
NGS 267 1.53 0.57 1.75 0.69 4.26 0.48 | 80 1.51 0.60 2.09 0.84 4.06 0.48
JPL 120 0.84 0.60 0.71 0.52 2.70 0.52 | 45 0.62 0.46 0.69 0.52 2.77 0.55
EMR 109 0.88 0.59 0.90 0.69 3.57 0.69 | 47 0.99 0.66 0.84 0.64 3.74 0.72
ESA 188 0.84 0.54 0.72 0.49 3.38 0.59 | 56 0.96 0.62 0.76 0.52 3.61 0.62
GRG 128 1.14 0.69 0.80 0.53 2.73 0.49 | 43 1.14 0.71 0.78 0.52 2.35 0.42
JGX 168 1.06 0.66 0.87 0.52 5.70 1.00 | 47 1.18 0.74 0.81 0.49 2.98 0.52
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RESULTS FOR GPS WEEK 2427 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 313 0.93 0.53 0.91 0.54 3.64 0.60 | 81 0.98 0.57 1.03 0.60 3.85 0.65
SIO 357 1.62 0.62 1.71 0.64 4.39 0.71 | 81 1.60 0.63 1.59 0.60 4.82 0.82
GFZ 150 0.77 0.53 0.73 0.48 2.58 0.49 | 81 0.85 0.59 0.83 0.55 2.94 0.56
MIT 351 0.73 0.49 0.76 0.50 2.78 0.58 | 81 0.74 0.55 0.82 0.60 2.89 0.69
NGS 264 1.43 0.60 1.45 0.64 3.67 0.47 | 81 1.48 0.66 1.61 0.74 4.06 0.54
JPL 120 0.79 0.51 0.88 0.59 3.06 0.54 | 50 0.63 0.42 0.72 0.49 3.39 0.62
EMR 109 0.94 0.60 0.91 0.65 3.39 0.62 | 46 1.08 0.68 0.97 0.69 3.47 0.63
ESA 188 0.75 0.47 0.78 0.52 3.40 0.58 | 55 0.81 0.52 0.79 0.52 3.09 0.52
GRG 126 0.99 0.60 0.87 0.59 2.62 0.47 | 43 0.86 0.55 0.80 0.54 2.57 0.47
JGX 166 1.29 0.73 0.89 0.48 6.03 0.95 | 47 1.44 0.82 0.80 0.43 3.37 0.53
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RESULTS FOR GPS WEEK 2427 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 309 1.04 0.56 1.03 0.57 4.01 0.62 | 80 0.97 0.53 1.11 0.62 3.72 0.60
SIO 354 1.34 0.54 1.70 0.65 4.27 0.71 | 80 1.42 0.59 1.75 0.69 5.55 0.96
GFZ 147 0.62 0.47 0.69 0.49 2.48 0.51 | 80 0.57 0.43 0.78 0.56 2.79 0.58
MIT 350 0.73 0.48 0.81 0.52 2.66 0.54 | 80 0.79 0.56 0.86 0.60 2.82 0.63
NGS 262 1.39 0.52 1.74 0.68 4.02 0.46 | 80 1.35 0.54 1.86 0.76 3.77 0.45
JPL 120 0.81 0.59 0.74 0.55 2.95 0.58 | 50 0.82 0.62 0.68 0.51 2.92 0.59
EMR 110 1.00 0.63 0.94 0.65 3.68 0.65 | 46 1.13 0.70 1.04 0.72 4.06 0.73
ESA 188 1.02 0.51 1.11 0.58 3.38 0.45 | 56 1.01 0.51 1.11 0.58 3.35 0.45
GRG 124 1.35 0.72 0.91 0.54 3.01 0.47 | 43 1.33 0.73 0.81 0.47 3.21 0.51
JGX 164 1.21 0.66 1.09 0.57 6.19 0.95 | 46 1.31 0.72 1.01 0.52 2.64 0.41
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RESULTS FOR GPS WEEK 2427 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 303 1.05 0.57 0.88 0.49 3.82 0.60 | 79 1.02 0.57 0.92 0.53 2.88 0.48
SIO 347 1.62 0.68 1.44 0.58 4.20 0.73 | 79 1.53 0.68 1.53 0.65 4.51 0.85
GFZ 146 0.81 0.50 1.03 0.60 2.89 0.49 | 79 0.82 0.51 1.15 0.68 3.24 0.55
MIT 350 0.68 0.47 0.75 0.51 2.94 0.64 | 79 0.66 0.50 0.77 0.59 2.99 0.74
NGS 255 1.26 0.54 1.43 0.65 4.42 0.57 | 79 1.39 0.63 1.59 0.75 4.55 0.62
JPL 120 0.73 0.56 0.63 0.50 2.79 0.57 | 51 0.74 0.58 0.60 0.48 2.80 0.59
EMR 108 0.79 0.54 0.96 0.73 4.00 0.77 | 45 0.76 0.51 0.95 0.72 3.99 0.78
ESA 188 0.80 0.50 0.81 0.55 3.32 0.57 | 57 0.73 0.47 0.74 0.50 2.99 0.52
GRG 124 1.17 0.69 0.85 0.56 2.68 0.47 | 42 1.14 0.70 0.79 0.52 2.34 0.42
JGX 167 1.22 0.68 0.91 0.48 6.49 1.01 | 46 1.28 0.72 0.81 0.43 3.14 0.50
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RESULTS FOR GPS WEEK 2427 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 307 0.94 0.50 1.00 0.54 4.10 0.63 | 81 0.86 0.47 0.98 0.54 3.68 0.59
SIO 351 1.78 0.66 1.55 0.57 4.29 0.67 | 81 1.64 0.64 1.32 0.51 4.07 0.69
GFZ 149 0.91 0.51 1.12 0.60 3.15 0.49 | 81 0.90 0.51 1.17 0.63 3.46 0.54
MIT 350 0.73 0.51 0.72 0.50 2.74 0.60 | 81 0.74 0.58 0.85 0.66 2.73 0.68
NGS 262 1.14 0.49 1.50 0.69 5.00 0.66 | 81 1.17 0.54 1.77 0.84 4.15 0.57
JPL 120 0.73 0.56 0.62 0.49 2.58 0.53 | 50 0.79 0.63 0.70 0.57 2.66 0.58
EMR 109 0.83 0.56 0.85 0.65 4.00 0.77 | 45 0.80 0.54 0.82 0.63 4.02 0.79
ESA 188 0.80 0.47 0.83 0.52 3.06 0.49 | 59 0.85 0.50 0.82 0.52 3.15 0.50
GRG 119 1.12 0.68 0.75 0.50 2.72 0.49 | 41 1.11 0.70 0.72 0.48 2.42 0.44
JGX 167 1.29 0.70 0.96 0.50 6.40 0.98 | 46 1.54 0.85 0.93 0.49 3.28 0.51
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RESULTS FOR GPS WEEK 2427 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 300 0.97 0.52 0.94 0.52 3.86 0.61 | 81 0.90 0.49 1.05 0.58 3.09 0.50
SIO 350 1.36 0.54 1.55 0.61 4.35 0.74 | 81 1.33 0.55 1.62 0.66 4.62 0.82
GFZ 147 0.87 0.48 1.12 0.58 2.85 0.43 | 81 0.83 0.46 1.21 0.63 3.17 0.48
MIT 351 0.67 0.50 0.62 0.45 2.82 0.65 | 81 0.73 0.60 0.68 0.55 2.87 0.75
NGS 258 1.67 0.62 1.67 0.66 4.20 0.47 | 81 1.56 0.61 1.79 0.73 3.71 0.44
JPL 120 0.79 0.54 0.69 0.49 2.82 0.52 | 51 0.77 0.55 0.68 0.50 2.71 0.53
EMR 106 0.84 0.56 0.90 0.67 3.78 0.73 | 44 0.95 0.64 0.97 0.72 3.57 0.69
ESA 188 0.84 0.50 0.83 0.52 3.37 0.54 | 56 0.82 0.48 0.88 0.54 3.00 0.47
GRG 123 1.13 0.64 0.92 0.57 2.92 0.48 | 41 0.96 0.56 0.71 0.44 3.12 0.53
JGX 169 1.14 0.68 0.83 0.47 6.17 1.02 | 48 1.35 0.80 0.76 0.43 3.48 0.58
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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/h2607121200_EMR.gls
EMR NRMD Used TRM115000.00 TZGD dL1 0.0002 0.0001 0.0660 dL2 0.0003 0.0001 0.0580 m ../glbs/h2607121200_EMR.gls
JGX DYNG Eccentricity: Used 0.0000 0.0000 2.0180 Real 0.0005 -0.0027 2.0177 m ../glbs/h2607121200_JGX.gls
MIT WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607121200_MIT.gls
MIT WUHN Used TRM59800.00C NONE dL1 0.0002 0.0005 0.0907 dL2 -0.0002 -0.0002 0.1207 m ../glbs/h2607121200_MIT.gls
NOA PIN1 Real TPSCR.G5 SCIS dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607121200_NGS.gls
NOA PIN1 Used TPSCR.G5 SCIS dL1 0.0001 0.0006 0.0949 dL2 -0.0000 0.0004 0.1179 m ../glbs/h2607121200_NGS.gls
NOA WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607121200_NGS.gls
NOA WUHN Used TRM59800.00C ENCL dL1 0.0002 0.0005 0.0906 dL2 -0.0002 -0.0001 0.1207 m ../glbs/h2607121200_NGS.gls
SIO PIN1 Real TPSCR.G5 SCIS dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607121200_SIO.gls
SIO PIN1 Used TPSCR.G5 NONE dL1 0.0001 0.0006 0.0949 dL2 -0.0000 0.0004 0.1179 m ../glbs/h2607121200_SIO.gls
SIO WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2607121200_SIO.gls
SIO WUHN Used TRM59800.00C NONE dL1 0.0002 0.0005 0.0907 dL2 -0.0002 -0.0002 0.1207 m ../glbs/h2607121200_SIO.gls
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