PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-02:28:00
G03     227.9          64.3                4.6 +/-    0.88       5.0 +/-    0.88  0.040 / 0.060
G07     252.1          11.8                2.9 +/-    3.39       7.7 +/-    3.39  0.040 / 0.070
G09     307.0          23.2                1.3 +/-    2.88       2.7 +/-    2.88  0.060 / 0.370
G16     127.7          62.6                7.3 +/-    0.76       8.1 +/-    0.76  0.060 / 0.390
G22     192.6          50.1                5.4 +/-    0.56       6.8 +/-    0.56  0.030 / 0.050
G23     322.8          52.7                5.2 +/-    0.97       6.4 +/-    0.97  0.040 / 0.050
G26     64.6           51.7                3.7 +/-    0.35       4.6 +/-    0.35  0.080 / 0.120
G31     54.1           18.7                2.0 +/-    0.46       4.6 +/-    0.46  0.070 / 0.120