PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-05:57:40
G01     55.0           28.4                5.1 +/-    1.41       9.2 +/-    1.41  0.110 / 0.090
G06     179.6          18.6                6.7 +/-    1.71      15.3 +/-    1.71  0.090 / 0.120
G07     144.0          15.6                7.4 +/-    1.21      18.2 +/-    1.21  0.040 / 0.040
G11     45.5           18.3                4.4 +/-    2.52      10.2 +/-    2.52  0.040 / 0.040
G13     256.0          33.5                7.9 +/-    1.50      12.9 +/-    1.50  0.170 / 0.200
G15     290.6          15.7                3.3 +/-    1.04       8.1 +/-    1.04  0.110 / 0.260
G17     297.2          80.2                8.0 +/-    0.66       8.1 +/-    0.66  0.040 / 0.020
G19     237.3          52.8                9.4 +/-    1.76      11.5 +/-    1.76  0.030 / 0.020
G28     40.7           56.2                6.7 +/-    0.88       7.8 +/-    0.88  0.040 / 0.050
G30     147.3          48.7               11.3 +/-    1.01      14.5 +/-    1.01  0.040 / 0.050