PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-10:58:00
G01     250.0          34.7                9.7 +/-    1.72      15.5 +/-    1.72  0.050 / 0.070
G03     315.7          46.0                5.2 +/-    0.70       6.9 +/-    0.70  0.040 / 0.080
G11     237.2          11.8                6.4 +/-    3.29      17.2 +/-    3.29  0.080 / 0.110
G14     57.8           43.8                5.2 +/-    1.07       7.2 +/-    1.07  0.060 / 0.080
G18     220.7          26.9                7.6 +/-    2.68      14.3 +/-    2.68  0.040 / 0.030
G22     299.7          70.9                5.5 +/-    0.56       5.8 +/-    0.56  0.040 / 0.040
G25     39.5           9.9                 1.5 +/-    0.95       4.3 +/-    0.95  0.160 / 0.480
G26     132.6          39.6                7.5 +/-    0.73      10.9 +/-    0.73  0.300 / 0.520
G31     41.2           54.9                4.9 +/-    0.53       5.8 +/-    0.53  0.070 / 0.240
G32     79.1           20.7                3.4 +/-    1.78       7.3 +/-    1.78  0.060 / 0.340