PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-19:57:40
G03     196.8          39.6               13.4 +/-    1.61      19.6 +/-    1.61  0.030 / 0.050
G07     270.4          24.9               14.9 +/-    2.07      29.2 +/-    2.07  0.030 / 0.040
G08     156.9          10.1              -13.4 +/-   39.05     -37.4 +/-   39.05  0.190 / 0.370
G09     317.0          41.1               12.5 +/-    1.00      17.8 +/-    1.00  0.200 / 0.360
G16     59.3           58.4               11.8 +/-    0.96      13.6 +/-    0.96  0.070 / 0.150
G22     182.3          24.3               13.7 +/-    1.68      27.2 +/-    1.68  0.080 / 0.140
G23     356.5          75.6               12.3 +/-    0.59      12.7 +/-    0.59  0.090 / 0.190
G26     44.5           29.1                8.2 +/-    1.46      14.5 +/-    1.46  0.080 / 0.220
G27     120.3          22.0               16.1 +/-    0.61      33.7 +/-    0.61  0.030 / 0.050