PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-12:27:30
G01     319.1          17.7                3.8 +/-    1.33       8.9 +/-    1.33  0.040 / 0.060
G08     262.0          13.2                4.0 +/-    2.15      10.3 +/-    2.15  0.040 / 0.050
G10     79.3           53.6                3.9 +/-    0.39       4.7 +/-    0.39  0.090 / 0.110
G11     305.2          21.3                3.3 +/-    3.02       7.0 +/-    3.02  0.080 / 0.090
G14     289.2          68.8                4.9 +/-    0.83       5.2 +/-    0.83  0.050 / 0.040
G18     305.5          39.2                3.9 +/-    2.31       5.7 +/-    2.31  0.040 / 0.050
G22     301.5          13.6                4.0 +/-    2.25      10.2 +/-    2.25  0.090 / 0.230
G31     174.7          43.2                8.9 +/-    1.03      12.3 +/-    1.03  0.120 / 0.240
G32     10.2           66.7                3.1 +/-    0.62       3.4 +/-    0.62  0.120 / 0.280