PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-04:43:10
G01     96.6           29.9                7.9 +/-    0.48      13.8 +/-    0.48  0.110 / 0.330
G07     120.4          48.1                9.0 +/-    1.11      11.6 +/-    1.11  0.120 / 0.240
G11     73.3           40.9                8.0 +/-    0.70      11.5 +/-    0.70  0.050 / 0.030
G13     300.4          34.4                9.6 +/-    1.55      15.4 +/-    1.55  0.070 / 0.030
G17     209.6          50.7               11.8 +/-    1.03      14.7 +/-    1.03  0.040 / 0.050
G19     212.2          19.8                5.8 +/-    4.21      12.7 +/-    4.21  0.040 / 0.060
G28     333.3          61.6                7.9 +/-    0.40       8.8 +/-    0.40  0.080 / 0.060
G30     71.9           80.2                9.6 +/-    0.20       9.7 +/-    0.20  0.060 / 0.060