PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-11:27:50
G01     270.3          40.9                6.8 +/-    2.57       9.7 +/-    2.57  0.060 / 0.060
G03     316.1          31.6                4.3 +/-    1.81       7.2 +/-    1.81  0.080 / 0.060
G10     130.0          16.6                5.4 +/-    1.72      12.9 +/-    1.72  0.070 / 0.070
G11     251.3          20.0                6.8 +/-    3.40      14.9 +/-    3.40  0.070 / 0.050
G14     38.7           53.1                4.4 +/-    1.11       5.3 +/-    1.11  0.040 / 0.070
G18     234.8          39.0                6.6 +/-    1.45       9.7 +/-    1.45  0.070 / 0.070
G22     314.2          57.2                4.6 +/-    1.17       5.4 +/-    1.17  0.220 / 0.160
G25     52.5           17.0                2.7 +/-    2.27       6.4 +/-    2.27  0.080 / 0.170
G31     52.5           71.0                5.2 +/-    0.41       5.5 +/-    0.41  0.210 / 0.400
G32     65.6           30.7                3.6 +/-    0.99       6.3 +/-    0.99  0.180 / 0.370