PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/14-16:13:10
G02     200.3          16.1               10.7 +/-    2.10      26.0 +/-    2.10  0.050 / 0.060
G06     171.3          50.0               11.7 +/-    0.62      14.7 +/-    0.62  0.060 / 0.070
G13     228.5          15.7               10.7 +/-    1.76      26.3 +/-    1.76  0.160 / 0.210
G17     12.9           64.6               10.8 +/-    1.21      11.9 +/-    1.21  0.130 / 0.180
G19     314.7          72.0               11.0 +/-    0.54      11.5 +/-    0.54  0.080 / 0.160
G24     312.1          26.6               10.4 +/-    1.44      19.6 +/-    1.44  0.090 / 0.160
G28     79.0           46.4               11.3 +/-    0.82      15.0 +/-    0.82  0.030 / 0.040
G30     156.2          16.6                8.0 +/-    1.15      19.1 +/-    1.15  0.030 / 0.040