PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-11:27:50
G01     53.8           27.4                2.5 +/-    3.16       4.6 +/-    3.16  0.080 / 0.130
G06     177.7          19.9              -19.9 +/-   23.03     -43.8 +/-   23.03  0.060 / 0.140
G07     143.7          15.8                3.9 +/-    2.06       9.4 +/-    2.06  0.080 / 0.070
G11     46.4           21.2                2.7 +/-    2.88       5.8 +/-    2.88  0.100 / 0.090
G13     255.2          34.1                5.7 +/-    1.48       9.2 +/-    1.48  0.160 / 0.170
G15     290.2          15.8                1.5 +/-    1.08       3.7 +/-    1.08  0.120 / 0.200
G17     270.6          77.0                5.0 +/-    0.59       5.1 +/-    0.59  0.040 / 0.050
G19     238.0          57.1                4.8 +/-    2.48       5.5 +/-    2.48  0.040 / 0.060
G28     32.3           58.7                4.6 +/-    1.28       5.3 +/-    1.28  0.030 / 0.030
G30     147.3          48.4                5.9 +/-    0.80       7.5 +/-    0.80  0.040 / 0.030