PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-12:27:40
G02     201.3          20.0                6.1 +/-    2.02      13.4 +/-    2.02  0.050 / 0.080
G06     167.8          56.4                6.8 +/-    0.68       8.0 +/-    0.68  0.040 / 0.090
G13     224.6          12.2                4.5 +/-    3.47      11.9 +/-    3.47  0.100 / 0.580
G17     20.4           60.4                4.4 +/-    0.40       5.0 +/-    0.40  0.140 / 0.480
G19     334.3          70.9                4.5 +/-    0.48       4.7 +/-    0.48  0.030 / 0.030
G24     309.2          29.7                3.2 +/-    2.27       5.6 +/-    2.27  0.030 / 0.030
G28     84.7           44.5                4.7 +/-    1.19       6.3 +/-    1.19  0.040 / 0.040
G30     157.7          14.0                4.4 +/-    3.30      11.2 +/-    3.30  0.040 / 0.050