PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-23:28:00
G01     38.7           12.7                8.7 +/-    4.11      22.9 +/-    4.11  0.100 / 0.130
G02     199.2          12.7               13.0 +/-    4.69      34.2 +/-    4.69  0.170 / 0.150
G06     177.0          40.5               14.1 +/-    1.10      20.3 +/-    1.10  0.100 / 0.320
G13     233.1          19.4               13.2 +/-    2.53      29.4 +/-    2.53  0.150 / 0.330
G17     12.7           66.0                9.4 +/-    0.96      10.2 +/-    0.96  0.050 / 0.060
G19     290.5          70.8               10.7 +/-    0.91      11.2 +/-    0.91  0.040 / 0.060
G24     314.0          24.3                8.8 +/-    1.62      17.4 +/-    1.62  0.040 / 0.030
G28     73.6           47.6               11.1 +/-    0.78      14.4 +/-    0.78  0.030 / 0.030
G30     155.4          22.4               13.0 +/-    0.93      27.0 +/-    0.93  0.090 / 0.130