PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-19:12:50
G01     47.1           23.1               11.4 +/-    0.72      23.3 +/-    0.72  0.080 / 0.240
G06     176.1          30.0               16.6 +/-    2.01      29.0 +/-    2.01  0.090 / 0.220
G11     44.0           12.2               11.0 +/-    2.16      29.4 +/-    2.16  0.140 / 0.310
G13     246.5          28.1               14.5 +/-    1.39      26.5 +/-    1.39  0.190 / 0.380
G15     280.9          14.7               12.2 +/-    1.73      30.5 +/-    1.73  0.020 / 0.030
G17     322.3          77.1               13.7 +/-    0.80      14.0 +/-    0.80  0.020 / 0.030
G19     252.2          61.1               14.7 +/-    1.43      16.5 +/-    1.43  0.060 / 0.090
G24     318.6          11.8               -9.9 +/-   35.74     -26.5 +/-   35.74  0.050 / 0.090
G28     58.5           51.2               14.0 +/-    0.81      17.4 +/-    0.81  0.030 / 0.080
G30     151.4          37.1               15.3 +/-    1.22      23.3 +/-    1.22  0.040 / 0.080