PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-05:42:50
G01     95.8           30.2                4.2 +/-    0.90       7.4 +/-    0.90  0.040 / 0.030
G07     121.2          47.8                5.3 +/-    1.86       6.9 +/-    1.86  0.030 / 0.040
G11     72.4           40.7                5.0 +/-    0.48       7.2 +/-    0.48  0.070 / 0.120
G13     299.6          34.7                5.6 +/-    1.61       9.0 +/-    1.61  0.050 / 0.150
G17     210.1          51.4                8.1 +/-    0.87      10.1 +/-    0.87  0.050 / 0.060
G19     212.6          20.2                5.6 +/-    3.40      12.3 +/-    3.40  0.050 / 0.050
G28     335.3          61.7                3.8 +/-    0.69       4.3 +/-    0.69  0.060 / 0.060
G30     76.0           80.1                5.9 +/-    0.52       6.0 +/-    0.52  0.060 / 0.060