PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-17:27:50
G01     103.7          27.3               13.1 +/-    0.65      24.3 +/-    0.65  0.090 / 0.140
G07     111.6          56.1               12.4 +/-    0.41      14.6 +/-    0.41  0.090 / 0.140
G08     41.9           18.9                8.8 +/-    1.24      19.9 +/-    1.24  0.030 / 0.050
G09     174.0          10.5               15.0 +/-    3.35      41.3 +/-    3.35  0.030 / 0.050
G11     85.0           42.9               11.3 +/-    0.88      15.7 +/-    0.88  0.040 / 0.070
G13     306.9          30.6               11.0 +/-    2.01      19.0 +/-    2.01  0.040 / 0.090
G17     207.9          39.0               12.8 +/-    1.41      19.0 +/-    1.41  0.030 / 0.030
G18     77.0           24.7               11.3 +/-    0.92      22.2 +/-    0.92  0.040 / 0.030
G28     324.8          61.5               11.0 +/-    1.19      12.3 +/-    1.19  0.040 / 0.060
G30     42.7           79.4               11.5 +/-    0.81      11.7 +/-    0.81  0.050 / 0.060