PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-00:12:50
G01     112.2          22.2               11.6 +/-    0.86      24.1 +/-    0.86  0.110 / 0.280
G07     100.8          58.7                9.9 +/-    0.27      11.3 +/-    0.27  0.090 / 0.290
G08     42.2           22.9                5.5 +/-    0.83      11.3 +/-    0.83  0.050 / 0.050
G09     175.6          18.7               10.9 +/-    1.58      24.7 +/-    1.58  0.040 / 0.060
G11     94.2           42.2               10.3 +/-    0.69      14.5 +/-    0.69  0.040 / 0.050
G13     313.3          25.6                6.8 +/-    2.63      13.1 +/-    2.63  0.040 / 0.040
G17     202.5          34.4               12.4 +/-    1.05      19.9 +/-    1.05  0.070 / 0.240
G18     81.8           22.3                6.8 +/-    1.56      14.1 +/-    1.56  0.060 / 0.240
G28     301.3          58.3                8.5 +/-    0.82       9.8 +/-    0.82  0.100 / 0.200
G30     1.1            74.4                8.8 +/-    0.78       9.1 +/-    0.78  0.080 / 0.220