PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-06:57:50
G02     199.1          19.1                4.4 +/-    1.69       9.8 +/-    1.69  0.080 / 0.180
G06     170.5          50.7                8.5 +/-    1.03      10.6 +/-    1.03  0.080 / 0.140
G13     227.9          15.6                5.2 +/-    3.48      12.7 +/-    3.48  0.120 / 0.320
G17     19.1           61.9                5.1 +/-    0.38       5.7 +/-    0.38  0.100 / 0.300
G19     319.2          72.3                5.0 +/-    0.63       5.3 +/-    0.63  0.040 / 0.070
G24     312.3          26.0                4.3 +/-    1.28       8.2 +/-    1.28  0.050 / 0.070
G28     77.1           48.3                6.1 +/-    0.58       7.9 +/-    0.58  0.040 / 0.030
G30     158.0          20.8                5.9 +/-    1.05      12.7 +/-    1.05  0.050 / 0.040