PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-19:43:10
G01     81.4           33.2               11.6 +/-    0.95      19.0 +/-    0.95  0.230 / 0.250
G07     131.7          39.4               14.4 +/-    0.76      21.2 +/-    0.76  0.110 / 0.280
G11     61.8           37.0               12.8 +/-    1.07      19.5 +/-    1.07  0.030 / 0.030
G13     285.9          37.5               14.8 +/-    1.51      22.5 +/-    1.51  0.030 / 0.030
G15     310.2          12.7                9.8 +/-    1.69      25.8 +/-    1.69  0.040 / 0.070
G17     221.4          57.2               15.4 +/-    1.46      17.9 +/-    1.46  0.050 / 0.070
G18     57.0           22.1               10.2 +/-    2.67      21.3 +/-    2.67  0.060 / 0.090
G19     218.5          32.6               15.4 +/-    1.77      25.6 +/-    1.77  0.060 / 0.110
G28     4.0            60.9               12.1 +/-    1.00      13.7 +/-    1.00  0.090 / 0.210
G30     123.5          69.0               15.0 +/-    0.79      15.9 +/-    0.79  0.080 / 0.210