*********** NMI GPS MONITORING SERVICE ************ Receiver frequency against NMI reference (x 10e-15), reported as 2-day linear fits (fit at MJD spans MJD-1 to MJD+1). Uncertainty shown for individual receivers is standard error of fit. Uncertainty shown for mean is max/min for receivers about mean. February 2023 ---------------------------------------------------------------------------- Day MJD receiver #1 receiver #2 receiver #3 mean freq +/- freq +/- freq +/- freq ( + / - ) --- ----- ---- ---- ---- ---- ---- ---- ---- ----------- 1 59976 61 2 71 4 168 5 100 ( 68 -39) 2 59977 -26 2 -61 4 48 5 -13 ( 61 -48) 3 59978 -22 2 -8 3 43 5 4 ( 39 -26) 4 59979 -12 2 -13 4 73 6 16 ( 57 -29) 5 59980 21 2 19 4 115 5 52 ( 64 -33) 6 59981 -22 2 -22 4 79 5 12 ( 68 -34) 7 59982 5 2 53 4 100 4 53 ( 47 -48) 8 59983 -20 2 -54 4 27 5 -16 ( 42 -38) 9 59984 7 2 2 4 94 5 34 ( 59 -32) 10 59985 -58 2 -67 4 2 5 -41 ( 43 -26) 11 59986 26 2 48 4 115 5 63 ( 52 -37) 12 59987 90 2 96 4 175 5 120 ( 55 -30) 13 59988 72 2 31 4 136 5 80 ( 56 -49) 14 59989 37 2 -22 4 98 5 38 ( 60 -59) 15 59990 27 2 47 4 135 6 70 ( 66 -43) 16 59991 188 2 250 5 356 5 265 ( 91 -76) 17 59992 2 2 -39 4 79 5 14 ( 65 -53) 18 59993 20 2 7 4 85 4 37 ( 47 -30) 19 59994 -13 2 -28 4 45 6 2 ( 44 -29) 20 59995 *** *** 67 4 169 5 118 ( 51 -51) 21 59996 *** *** -119 4 34 6 -43 ( 77 -77) 22 59997 -31 2 -5 4 114 5 26 ( 88 -57) 23 59998 38 2 18 4 120 5 59 ( 62 -41) 24 59999 -7 2 11 4 -301 504 -99 ( 110 -202) 25 60000 46 2 21 4 *** *** 34 ( 13 -13) 26 60001 16 2 13 4 142 6 57 ( 85 -44) 27 60002 -1 2 46 4 152 6 66 ( 87 -67) 28 60003 76 3 105 5 217 5 133 ( 84 -56)