PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-06:28:10
G01     45.1           21.3                4.3 +/-    3.63       9.2 +/-    3.63  0.070 / 0.060
G06     177.1          30.7                7.9 +/-    2.29      13.6 +/-    2.29  0.050 / 0.070
G13     243.3          26.8                8.3 +/-    1.62      15.7 +/-    1.62  0.050 / 0.040
G15     279.0          13.9                2.7 +/-    1.14       6.8 +/-    1.14  0.050 / 0.040
G17     353.6          74.3                8.8 +/-    0.64       9.1 +/-    0.64  0.040 / 0.090
G19     256.2          62.7                9.9 +/-    0.63      10.9 +/-    0.63  0.040 / 0.080
G24     317.0          17.7                6.1 +/-    1.88      14.2 +/-    1.88  0.140 / 0.250
G28     59.6           51.5                8.1 +/-    0.97      10.0 +/-    0.97  0.120 / 0.330
G30     152.9          36.1               10.4 +/-    0.59      16.2 +/-    0.59  0.290 / 0.270