PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-05:12:50
G01     126.1          12.2               -0.1 +/-   26.93      -0.3 +/-   26.93  0.050 / 0.030
G07     60.6           68.5                4.6 +/-    0.45       4.9 +/-    0.45  0.040 / 0.030
G08     48.4           36.3                4.2 +/-    1.14       6.5 +/-    1.14  0.110 / 0.200
G09     175.3          31.8                4.9 +/-    1.70       8.3 +/-    1.70  0.110 / 0.250
G11     115.0          36.3                6.6 +/-    1.00      10.2 +/-    1.00  0.040 / 0.030
G13     320.7          12.9               -1.7 +/-   10.18      -4.4 +/-   10.18  0.040 / 0.030
G17     199.0          18.2                4.4 +/-    2.03      10.2 +/-    2.03  0.210 / 0.380
G18     100.1          17.1                6.3 +/-    1.56      15.0 +/-    1.56  0.250 / 0.350
G28     275.9          52.2                5.2 +/-    3.35       6.4 +/-    3.35  0.060 / 0.090
G30     331.9          60.2                3.8 +/-    0.61       4.3 +/-    0.61  0.080 / 0.080