PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-10:12:50
G02     229.2          69.7                4.3 +/-    0.61       4.6 +/-    0.61  0.040 / 0.050
G06     42.9           64.9                3.8 +/-    0.60       4.2 +/-    0.60  0.050 / 0.040
G12     321.1          46.5                3.3 +/-    0.72       4.3 +/-    0.72  0.050 / 0.090
G17     67.5           23.4                3.8 +/-    2.01       7.8 +/-    2.01  0.080 / 0.080
G19     48.6           44.4                4.8 +/-    0.69       6.5 +/-    0.69  0.220 / 0.270
G24     246.1          37.6                5.1 +/-    0.78       7.7 +/-    0.78  0.230 / 0.280
G25     315.5          12.2               -2.6 +/-   17.88      -6.8 +/-   17.88  0.040 / 0.100