PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-11:27:50
G01     260.4          38.8                6.2 +/-    1.51       9.2 +/-    1.51  0.040 / 0.080
G03     316.6          38.3                4.3 +/-    1.13       6.4 +/-    1.13  0.040 / 0.080
G10     134.0          10.5                3.7 +/-    1.31      10.2 +/-    1.31  0.030 / 0.050
G11     244.6          16.4                4.2 +/-    2.05      10.1 +/-    2.05  0.040 / 0.050
G14     47.7           49.0                3.0 +/-    0.83       3.8 +/-    0.83  0.110 / 0.350
G18     227.7          33.6                7.7 +/-    1.40      12.5 +/-    1.40  0.100 / 0.370
G22     310.4          64.0                2.9 +/-    1.01       3.2 +/-    1.01  0.140 / 0.200
G25     46.0           14.3                1.0 +/-    0.95       2.6 +/-    0.95  0.220 / 0.260
G31     44.3           63.7                3.6 +/-    0.69       4.0 +/-    0.69  0.060 / 0.090
G32     71.9           26.0                2.8 +/-    1.02       5.3 +/-    1.02  0.060 / 0.100