PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-11:27:40
G08     266.6          15.4                5.3 +/-    2.52      13.1 +/-    2.52  0.030 / 0.040
G10     71.2           56.1                4.9 +/-    0.71       5.8 +/-    0.71  0.040 / 0.050
G11     308.9          19.0                4.1 +/-    0.95       9.2 +/-    0.95  0.240 / 0.380
G14     275.4          66.4                6.8 +/-    0.34       7.4 +/-    0.34  0.220 / 0.340
G18     309.3          35.5                5.7 +/-    1.28       9.0 +/-    1.28  0.090 / 0.140
G22     299.1          10.8                0.7 +/-    2.92       2.0 +/-    2.92  0.080 / 0.170
G27     227.0          11.8                4.6 +/-    4.28      12.3 +/-    4.28  0.080 / 0.250
G31     175.7          38.0                6.7 +/-    0.75      10.0 +/-    0.75  0.140 / 0.240
G32     0.5            70.1                5.3 +/-    0.34       5.6 +/-    0.34  0.130 / 0.220