PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-16:57:40
G01     44.5           20.6                8.2 +/-    2.66      17.7 +/-    2.66  0.050 / 0.060
G06     176.1          31.1               10.3 +/-    1.58      17.6 +/-    1.58  0.040 / 0.070
G11     43.4           9.5                 6.5 +/-    7.06      18.2 +/-    7.06  0.150 / 0.620
G13     242.7          27.1               10.3 +/-    2.66      19.3 +/-    2.66  0.120 / 0.340
G15     276.8          14.3                8.7 +/-    1.78      22.1 +/-    1.78  0.140 / 0.250
G17     335.2          76.3               11.2 +/-    0.43      11.5 +/-    0.43  0.120 / 0.360
G19     259.6          66.1               11.8 +/-    0.69      12.8 +/-    0.69  0.170 / 0.220
G24     318.2          13.3                8.1 +/-    1.56      21.1 +/-    1.56  0.180 / 0.180
G28     55.0           53.9               10.5 +/-    0.72      12.7 +/-    0.72  0.030 / 0.030
G30     151.8          32.3                8.9 +/-    1.46      14.9 +/-    1.46  0.030 / 0.030