PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-07:13:00
G02     200.4          19.6                5.6 +/-    3.52      12.5 +/-    3.52  0.170 / 0.180
G06     172.3          52.2               10.2 +/-    0.77      12.5 +/-    0.77  0.190 / 0.280
G13     227.1          13.6                4.5 +/-   28.00      11.5 +/-   28.00  0.040 / 0.020
G17     24.8           58.1                8.0 +/-    1.16       9.3 +/-    1.16  0.040 / 0.030
G19     312.6          70.6                7.4 +/-    1.03       7.8 +/-    1.03  0.050 / 0.060
G24     307.5          33.3                8.0 +/-    1.68      13.1 +/-    1.68  0.060 / 0.090
G28     85.8           41.7                7.8 +/-    1.05      11.0 +/-    1.05  0.090 / 0.100
G30     157.6          16.4                7.8 +/-    2.03      18.7 +/-    2.03  0.070 / 0.090