PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/04-20:27:40
G01     128.3          10.7              -16.5 +/-   32.82     -45.3 +/-   32.82  0.140 / 0.000
G07     46.1           69.8               13.2 +/-    0.57      14.0 +/-    0.57  0.130 / 0.370
G08     54.7           45.1               11.1 +/-    0.93      14.9 +/-    0.93  0.190 / 0.320
G09     179.1          38.6               15.1 +/-    0.97      22.5 +/-    0.97  0.050 / 0.080
G11     122.5          33.8               15.0 +/-    0.82      24.3 +/-    0.82  0.040 / 0.070
G17     201.1          9.9                -9.4 +/-   13.88     -26.3 +/-   13.88  0.060 / 0.130
G18     105.9          15.7               14.7 +/-    1.13      36.0 +/-    1.13  0.050 / 0.130
G28     274.4          52.4               14.2 +/-    0.89      17.4 +/-    0.89  0.100 / 0.230
G30     334.5          61.1               12.8 +/-    0.94      14.4 +/-    0.94  0.110 / 0.240