PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-14:43:00
G01     120.0          17.3                9.6 +/-    0.85      22.6 +/-    0.85  0.030 / 0.050
G07     77.7           67.1                9.9 +/-    0.55      10.6 +/-    0.55  0.030 / 0.040
G08     45.4           32.5                8.4 +/-    0.78      14.0 +/-    0.78  0.040 / 0.090
G09     176.3          25.9               10.7 +/-    1.54      20.4 +/-    1.54  0.050 / 0.080
G11     107.8          39.6               10.8 +/-    0.64      15.8 +/-    0.64  0.090 / 0.270
G13     318.1          18.7                9.3 +/-    1.69      21.1 +/-    1.69  0.080 / 0.300
G17     201.7          22.8               11.2 +/-    1.88      22.9 +/-    1.88  0.030 / 0.040
G18     95.2           20.5                9.8 +/-    1.00      21.4 +/-    1.00  0.030 / 0.040
G28     290.8          56.9               11.7 +/-    0.75      13.7 +/-    0.75  0.040 / 0.060
G30     344.0          67.5               10.1 +/-    0.94      10.8 +/-    0.94  0.040 / 0.050