PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-07:27:50
G01     259.4          39.7                7.4 +/-    2.22      10.8 +/-    2.22  0.040 / 0.050
G03     316.9          37.8                4.4 +/-    1.64       6.6 +/-    1.64  0.050 / 0.040
G11     243.9          15.6                6.7 +/-    1.52      16.4 +/-    1.52  0.070 / 0.080
G14     51.1           45.9                4.6 +/-    1.14       6.1 +/-    1.14  0.080 / 0.110
G18     225.7          33.3                8.0 +/-    1.40      13.1 +/-    1.40  0.100 / 0.110
G22     311.4          59.5                5.2 +/-    0.92       6.0 +/-    0.92  0.040 / 0.070
G25     46.8           14.2                3.5 +/-    3.87       8.8 +/-    3.87  0.060 / 0.080
G26     143.6          31.1              -29.6 +/-   18.26     -50.8 +/-   18.26  0.240 / 0.210
G31     45.8           65.4                4.5 +/-    0.43       5.0 +/-    0.43  0.080 / 0.180
G32     69.1           29.7                4.6 +/-    3.26       8.0 +/-    3.26  0.070 / 0.210