[IGSREPORT-30954] Wk 2418 MIT T2 Daily Analysis Report
Tom Herring
tah at mit.edu
Wed May 27 06:17:40 UTC 2026
Author: Thomas Herring
MIT GNAAC Combination: RMS comparisons betwen ACs
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OVERALL RMS and Chi fits for week 2418
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 298 1.04 0.58 0.91 0.52 3.57 0.59 | 74 1.09 0.63 0.95 0.55 3.22 0.55
SIO 331 1.60 0.64 1.61 0.62 4.51 0.77 | 74 1.73 0.69 1.73 0.67 5.14 0.89
GFZ 140 0.73 0.50 0.81 0.53 2.74 0.52 | 74 0.79 0.55 0.92 0.60 2.90 0.56
MIT 349 0.69 0.49 0.68 0.48 2.68 0.62 | 74 0.74 0.58 0.80 0.62 2.97 0.75
NGS 254 1.45 0.60 1.57 0.68 4.29 0.55 | 74 1.39 0.61 1.72 0.78 4.05 0.54
JPL 120 0.76 0.56 0.66 0.49 2.63 0.54 | 49 0.68 0.51 0.62 0.47 2.56 0.54
EMR 107 1.06 0.66 0.85 0.59 3.86 0.69 | 44 1.20 0.75 0.87 0.60 4.49 0.81
ESA 186 0.96 0.55 0.88 0.53 3.77 0.58 | 54 1.07 0.61 0.92 0.54 3.72 0.57
GRG 124 1.26 0.69 0.83 0.50 2.67 0.43 | 40 0.95 0.55 0.66 0.40 2.33 0.38
JGX 158 1.18 0.66 0.93 0.49 5.13 0.79 | 43 1.18 0.66 0.98 0.51 4.01 0.63
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Center variance scale factors for week 2418
CEN 130 131 132 133 134 135 136 | MEAN |
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COD 1.53 1.12 1.31 1.08 1.06 0.97 0.98 | 1.15 |
SIO 0.72 0.62 0.56 0.76 0.80 0.92 0.63 | 0.71 |
GFZ 6.61 8.92 12.52 10.69 10.24 7.99 9.13 | 9.44 |
MIT 0.93 0.98 0.95 0.90 0.86 0.98 1.02 | 0.95 |
NGS 225.72 274.38 278.78 282.69 232.12 358.12 328.18 | 282.85 |
JPL 5.05 4.94 4.38 4.03 4.09 8.43 6.63 | 5.36 |
EMR 3.67 2.58 2.39 2.64 2.72 2.82 2.92 | 2.82 |
ESA 5.28 4.72 4.25 4.88 4.71 5.01 5.07 | 4.84 |
GRG 34.24 39.37 44.42 44.14 48.28 48.52 50.80 | 44.25 |
JGX 58.38 54.96 47.76 51.98 42.32 56.28 54.90 | 52.37 |
NOTE: COD scale factor multiplied by 10^4; JGX Not used in combined SINEX
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FIT to reference frame at reference frame sites for week 2418
# -- Number of reference frame stations used by AC
CENTER # North East Up Frame
RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm)
COD 51 2.56 1.58 2.64 1.59 6.90 1.19 IGb20
SIO 49 2.83 1.13 3.31 1.30 8.41 1.37 IGb20
GFZ 47 2.47 1.79 2.94 1.96 6.13 1.18 IGb20
MIT 49 2.23 1.81 3.06 2.40 7.07 1.74 IGb20
NGS 45 2.71 1.25 3.44 1.63 8.24 1.10 IGb20
JPL 49 2.16 1.67 2.77 2.20 7.56 1.59 IGb20
EMR 42 2.05 1.35 2.13 1.50 6.97 1.25 IGb20
ESA 50 2.16 1.29 2.54 1.56 6.46 1.00 IGb20
GRG 48 2.44 1.42 2.94 1.80 6.35 1.03 IGb20
JGX 41 2.62 1.56 2.43 1.33 6.97 1.11 IGb20
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FIT to combined solutions at reference frame sites for week 2418
# -- Number of reference frame stations used by AC
CENTER # North East Up Frame
RMS Chi RMS Chi RMS Chi
(mm) (mm) (mm)
COD 51 1.10 0.67 0.95 0.56 3.58 0.61 COMB
SIO 50 1.77 0.70 1.75 0.67 5.41 0.87 COMB
GFZ 48 0.84 0.60 0.97 0.63 2.96 0.57 COMB
MIT 49 0.71 0.58 0.75 0.59 3.15 0.77 COMB
NGS 45 1.31 0.60 1.56 0.73 4.05 0.55 COMB
JPL 49 0.71 0.54 0.68 0.52 2.85 0.59 COMB
EMR 42 1.07 0.69 0.90 0.63 4.20 0.76 COMB
ESA 50 0.95 0.56 0.82 0.50 3.58 0.55 COMB
GRG 48 1.02 0.59 0.74 0.45 2.73 0.44 COMB
JGX 41 1.15 0.68 0.86 0.47 3.55 0.57 COMB
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RESULTS FOR GPS WEEK 2418 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 1.30 0.63 1.14 0.57 3.63 0.51 | 77 1.39 0.70 1.20 0.60 3.31 0.49
SIO 334 1.68 0.64 1.56 0.58 3.95 0.67 | 77 1.87 0.74 1.72 0.63 4.80 0.83
GFZ 142 0.73 0.51 0.76 0.51 2.63 0.50 | 77 0.79 0.56 0.81 0.55 2.82 0.55
MIT 350 0.69 0.49 0.66 0.47 2.92 0.67 | 77 0.68 0.53 0.77 0.61 3.15 0.80
NGS 259 1.34 0.63 1.29 0.64 4.24 0.60 | 77 1.25 0.62 1.51 0.77 3.62 0.54
JPL 120 0.73 0.55 0.63 0.48 2.72 0.55 | 50 0.65 0.50 0.59 0.46 2.54 0.53
EMR 108 1.24 0.69 0.98 0.61 3.58 0.57 | 44 1.34 0.75 0.94 0.59 3.87 0.62
ESA 186 1.01 0.55 0.95 0.55 3.78 0.56 | 56 1.20 0.66 0.90 0.52 3.45 0.51
GRG 126 0.97 0.60 0.75 0.51 2.48 0.45 | 41 0.82 0.53 0.71 0.48 2.50 0.46
JGX 156 1.25 0.66 1.00 0.51 4.93 0.73 | 45 1.32 0.71 0.93 0.47 3.36 0.50
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RESULTS FOR GPS WEEK 2418 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 295 0.95 0.55 0.88 0.52 3.48 0.59 | 76 1.06 0.63 0.92 0.55 2.80 0.49
SIO 330 1.54 0.64 1.41 0.57 4.38 0.79 | 76 1.59 0.67 1.59 0.65 4.76 0.86
GFZ 137 0.78 0.56 0.68 0.46 2.67 0.52 | 76 0.80 0.58 0.78 0.53 2.92 0.58
MIT 347 0.74 0.52 0.69 0.49 2.60 0.58 | 76 0.84 0.65 0.86 0.66 2.79 0.69
NGS 251 1.37 0.59 1.51 0.68 3.92 0.51 | 76 1.37 0.62 1.65 0.77 3.81 0.51
JPL 120 0.77 0.58 0.61 0.48 2.51 0.52 | 49 0.64 0.50 0.65 0.52 2.54 0.54
EMR 106 0.93 0.62 0.82 0.61 3.41 0.65 | 44 1.05 0.70 0.85 0.64 4.09 0.78
ESA 186 0.93 0.54 0.86 0.53 3.63 0.57 | 57 1.07 0.62 1.10 0.67 3.65 0.56
GRG 125 1.18 0.69 0.72 0.46 2.26 0.39 | 41 0.95 0.58 0.61 0.39 2.09 0.36
JGX 157 1.19 0.65 1.02 0.52 4.91 0.74 | 46 1.16 0.63 1.11 0.57 3.73 0.57
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RESULTS FOR GPS WEEK 2418 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 292 1.17 0.62 1.07 0.59 3.66 0.57 | 68 1.16 0.63 0.91 0.49 3.49 0.55
SIO 327 1.40 0.64 1.34 0.60 4.12 0.80 | 68 1.47 0.65 1.56 0.67 4.85 0.93
GFZ 138 0.90 0.56 0.91 0.53 2.83 0.48 | 68 0.98 0.62 1.06 0.62 3.15 0.54
MIT 352 0.72 0.51 0.64 0.46 2.67 0.61 | 68 0.79 0.60 0.75 0.55 2.75 0.67
NGS 249 1.27 0.53 1.63 0.72 4.45 0.57 | 68 1.27 0.57 1.65 0.75 4.58 0.61
JPL 120 0.64 0.52 0.62 0.51 2.99 0.65 | 44 0.62 0.51 0.61 0.50 2.86 0.63
EMR 107 0.94 0.66 0.76 0.59 3.78 0.75 | 39 1.03 0.73 0.75 0.57 3.76 0.75
ESA 186 0.90 0.55 0.66 0.42 3.83 0.63 | 50 0.95 0.58 0.73 0.45 4.00 0.64
GRG 124 1.30 0.72 0.83 0.50 2.50 0.41 | 39 0.93 0.54 0.68 0.41 2.01 0.33
JGX 156 1.12 0.66 0.85 0.47 4.52 0.74 | 38 1.07 0.65 0.85 0.46 3.74 0.61
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RESULTS FOR GPS WEEK 2418 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 296 0.95 0.55 0.83 0.49 3.79 0.64 | 72 0.99 0.59 0.92 0.54 3.75 0.65
SIO 330 1.56 0.63 1.55 0.62 4.81 0.80 | 72 1.51 0.61 1.84 0.71 5.53 0.92
GFZ 141 0.72 0.47 0.87 0.54 2.72 0.49 | 72 0.81 0.54 1.03 0.64 2.71 0.49
MIT 350 0.64 0.46 0.66 0.48 2.47 0.58 | 72 0.67 0.54 0.75 0.59 3.02 0.77
NGS 247 1.41 0.59 1.54 0.68 4.30 0.54 | 72 1.25 0.56 1.70 0.77 4.27 0.56
JPL 120 0.62 0.52 0.61 0.52 2.35 0.53 | 49 0.54 0.47 0.55 0.47 2.12 0.49
EMR 110 1.03 0.67 0.77 0.55 4.31 0.79 | 42 1.21 0.79 0.88 0.62 5.37 0.99
ESA 186 0.96 0.54 1.02 0.60 3.57 0.54 | 54 1.15 0.66 1.02 0.59 3.89 0.58
GRG 123 1.20 0.68 0.87 0.54 2.50 0.41 | 40 0.87 0.51 0.64 0.39 2.23 0.37
JGX 157 1.21 0.68 0.88 0.46 5.22 0.81 | 42 1.24 0.71 0.92 0.48 4.06 0.64
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RESULTS FOR GPS WEEK 2418 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 299 0.98 0.58 0.85 0.52 3.29 0.57 | 78 1.10 0.67 0.97 0.58 3.00 0.53
SIO 336 1.76 0.65 2.04 0.73 5.00 0.79 | 78 1.93 0.73 2.29 0.83 5.34 0.87
GFZ 142 0.65 0.44 0.91 0.58 2.79 0.51 | 78 0.72 0.49 1.05 0.67 2.94 0.54
MIT 349 0.65 0.49 0.68 0.52 2.79 0.67 | 78 0.72 0.60 0.84 0.69 3.22 0.86
NGS 258 1.31 0.61 1.47 0.72 4.54 0.63 | 78 1.29 0.63 1.88 0.94 4.51 0.65
JPL 120 0.69 0.57 0.49 0.42 2.36 0.53 | 51 0.60 0.51 0.49 0.42 2.38 0.55
EMR 109 0.98 0.63 0.83 0.59 3.78 0.69 | 48 1.19 0.77 0.84 0.60 4.35 0.80
ESA 186 0.97 0.56 0.78 0.47 3.64 0.57 | 56 0.92 0.54 0.79 0.48 3.62 0.56
GRG 122 1.34 0.72 0.84 0.49 2.94 0.46 | 39 0.92 0.51 0.55 0.32 2.55 0.40
JGX 159 1.01 0.63 0.84 0.49 5.40 0.94 | 46 0.93 0.58 0.98 0.57 4.69 0.81
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RESULTS FOR GPS WEEK 2418 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 297 0.83 0.51 0.83 0.52 3.53 0.63 | 75 0.88 0.56 0.86 0.55 3.04 0.56
SIO 330 1.82 0.65 1.81 0.64 4.70 0.71 | 75 1.83 0.66 1.69 0.60 5.05 0.77
GFZ 141 0.62 0.47 0.71 0.52 2.58 0.54 | 75 0.68 0.52 0.79 0.58 2.66 0.56
MIT 348 0.69 0.49 0.69 0.48 2.56 0.58 | 75 0.73 0.56 0.78 0.59 2.80 0.70
NGS 258 1.66 0.61 1.82 0.70 4.36 0.48 | 75 1.77 0.69 1.91 0.76 4.09 0.47
JPL 120 0.90 0.56 0.91 0.57 2.80 0.48 | 51 0.90 0.57 0.84 0.53 2.86 0.50
EMR 108 1.11 0.67 0.89 0.60 4.10 0.71 | 45 1.24 0.76 0.94 0.63 5.03 0.88
ESA 186 0.98 0.55 0.89 0.53 3.92 0.60 | 54 1.06 0.60 0.88 0.51 3.65 0.55
GRG 123 1.43 0.74 0.79 0.45 2.77 0.42 | 39 1.03 0.56 0.53 0.30 2.67 0.41
JGX 161 1.18 0.63 1.04 0.51 5.24 0.76 | 44 1.08 0.57 1.12 0.54 4.31 0.62
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RESULTS FOR GPS WEEK 2418 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 298 0.99 0.60 0.70 0.43 3.60 0.64 | 76 0.94 0.60 0.83 0.52 3.12 0.57
SIO 332 1.39 0.60 1.40 0.61 4.50 0.82 | 76 1.78 0.77 1.24 0.54 5.57 1.01
GFZ 142 0.66 0.48 0.81 0.55 2.93 0.58 | 76 0.73 0.54 0.88 0.61 3.09 0.62
MIT 350 0.68 0.47 0.71 0.49 2.74 0.61 | 76 0.73 0.55 0.83 0.62 2.96 0.73
NGS 257 1.71 0.64 1.66 0.65 4.19 0.47 | 76 1.43 0.56 1.71 0.68 3.36 0.40
JPL 120 0.89 0.62 0.66 0.46 2.61 0.50 | 52 0.71 0.51 0.57 0.41 2.60 0.51
EMR 107 1.12 0.66 0.88 0.58 3.94 0.67 | 46 1.28 0.76 0.87 0.57 4.68 0.80
ESA 186 1.00 0.55 0.97 0.57 3.98 0.60 | 56 1.08 0.61 0.92 0.54 3.82 0.57
GRG 125 1.33 0.68 1.01 0.56 3.12 0.46 | 41 1.11 0.59 0.84 0.46 2.20 0.33
JGX 161 1.28 0.68 0.88 0.43 5.58 0.82 | 46 1.36 0.72 0.88 0.43 4.03 0.58
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CENTER SINEX ERRORS:
COD WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2605101200_COD.gls
COD WUHN Used TRM59800.00C ENCL dL1 0.0002 0.0005 0.0907 dL2 -0.0002 -0.0001 0.1207 m ../glbs/h2605101200_COD.gls
EMR WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2605101200_EMR.gls
EMR WUHN Used TRM59800.00C ENCL dL1 0.0002 0.0005 0.0907 dL2 -0.0002 -0.0001 0.1207 m ../glbs/h2605101200_EMR.gls
MIT WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2605101200_MIT.gls
MIT WUHN Used TRM59800.00C NONE dL1 0.0002 0.0005 0.0907 dL2 -0.0002 -0.0002 0.1207 m ../glbs/h2605101200_MIT.gls
NOA PIN1 Real TPSCR.G5 SCIS dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2605101200_NGS.gls
NOA PIN1 Used TPSCR.G5 SCIS dL1 0.0001 0.0006 0.0949 dL2 -0.0000 0.0004 0.1179 m ../glbs/h2605101200_NGS.gls
NOA WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2605101200_NGS.gls
NOA WUHN Used TRM59800.00C ENCL dL1 0.0002 0.0005 0.0906 dL2 -0.0002 -0.0001 0.1207 m ../glbs/h2605101200_NGS.gls
SIO PIN1 Real TPSCR.G5 SCIS dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2605101200_SIO.gls
SIO PIN1 Used TPSCR.G5 NONE dL1 0.0001 0.0006 0.0949 dL2 -0.0000 0.0004 0.1179 m ../glbs/h2605101200_SIO.gls
SIO WUHN Real TRM59800.00C ENCL dL1 -99.0000 -99.0000 -99.0000 dL2 -99.0000 -99.0000 -99.0000 m ../glbs/h2605101200_SIO.gls
SIO WUHN Used TRM59800.00C NONE dL1 0.0002 0.0005 0.0907 dL2 -0.0002 -0.0002 0.1207 m ../glbs/h2605101200_SIO.gls
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