PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/12-05:13:10
G01     73.1           33.1                7.0 +/-   21.08      11.5 +/-   21.08  0.040 / 0.090
G07     136.1          30.7                8.0 +/-    2.59      13.8 +/-    2.59  0.050 / 0.090
G11     53.8           30.8                4.1 +/-    3.04       7.1 +/-    3.04  0.240 / 0.280
G13     276.5          38.2               14.8 +/-   30.97      22.2 +/-   30.97  0.090 / 0.080
G15     305.6          14.0                1.0 +/-    3.71       2.5 +/-    3.71  0.100 / 0.350
G17     230.3          70.3                6.5 +/-    2.46       6.8 +/-    2.46  0.110 / 0.190
G18     48.1           17.0                2.4 +/-    7.51       5.7 +/-    7.51  0.090 / 0.230
G19     222.3          37.9               17.7 +/-   31.61      26.6 +/-   31.61  0.100 / 0.230
G28     11.8           60.4               15.3 +/-   31.02      17.3 +/-   31.02  0.040 / 0.040
G30     133.3          65.4                5.0 +/-    3.11       5.4 +/-    3.11  0.040 / 0.030