PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-15:12:50
G01     103.7          27.2               15.1 +/-    0.72      28.2 +/-    0.72  0.030 / 0.030
G07     111.7          55.8               13.4 +/-    0.79      15.9 +/-    0.79  0.030 / 0.030
G08     41.7           17.5               11.4 +/-    1.54      26.7 +/-    1.54  0.070 / 0.170
G11     84.0           42.6               13.8 +/-    0.99      19.3 +/-    0.99  0.070 / 0.150
G13     306.8          30.7               10.9 +/-    1.37      18.7 +/-    1.37  0.040 / 0.090
G17     207.4          40.6               13.3 +/-    1.25      19.2 +/-    1.25  0.050 / 0.070
G18     76.6           24.6               14.6 +/-    0.77      28.7 +/-    0.77  0.030 / 0.050
G19     210.4          13.7               -3.3 +/-    9.18      -8.6 +/-    9.18  0.030 / 0.050
G28     324.4          61.4               11.6 +/-    1.10      13.0 +/-    1.10  0.040 / 0.070
G30     37.4           79.4               12.4 +/-    0.82      12.6 +/-    0.82  0.050 / 0.050