PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-20:28:10
G10     304.2          54.6               10.6 +/-    1.00      12.7 +/-    1.00  0.060 / 0.090
G14     211.1          11.9                3.0 +/-   31.33       8.0 +/-   31.33  0.090 / 0.080
G15     45.7           25.0                8.7 +/-    0.80      17.0 +/-    0.80  0.050 / 0.050
G20     3.5            64.8                9.9 +/-    0.79      10.8 +/-    0.79  0.060 / 0.050
G21     104.2          72.7               12.1 +/-    0.99      12.6 +/-    0.99  0.240 / 0.480
G24     95.9           27.9               11.3 +/-    2.21      20.7 +/-    2.21  0.110 / 0.470
G27     297.4          35.6               12.0 +/-    0.75      18.9 +/-    0.75  0.070 / 0.130
G32     211.3          35.6               13.7 +/-    0.69      21.5 +/-    0.69  0.070 / 0.150