PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-05:12:40
G01     78.3           33.2                5.5 +/-    1.12       9.0 +/-    1.12  0.110 / 0.110
G07     133.4          34.6                9.4 +/-    0.67      15.1 +/-    0.67  0.170 / 0.110
G11     57.1           33.6                6.8 +/-    2.28      11.1 +/-    2.28  0.030 / 0.020
G13     282.1          38.2                7.0 +/-    1.84      10.5 +/-    1.84  0.030 / 0.020
G15     309.2          12.7                2.4 +/-    2.22       6.4 +/-    2.22  0.040 / 0.070
G17     223.5          66.2                8.5 +/-    0.67       9.3 +/-    0.67  0.060 / 0.070
G19     219.6          33.9                6.9 +/-    1.53      11.2 +/-    1.53  0.040 / 0.030
G28     3.8            61.1                5.5 +/-    0.74       6.1 +/-    0.74  0.050 / 0.030
G30     127.0          69.5                9.1 +/-    0.45       9.6 +/-    0.45  0.040 / 0.050