PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-00:27:50
G01     256.3          37.4                8.0 +/-    1.56      12.1 +/-    1.56  0.030 / 0.040
G03     316.4          38.2                5.5 +/-    0.96       8.2 +/-    0.96  0.030 / 0.040
G11     240.3          15.2                7.7 +/-    4.29      19.2 +/-    4.29  0.080 / 0.110
G14     56.5           42.7                4.7 +/-    1.28       6.6 +/-    1.28  0.070 / 0.080
G22     309.6          61.0                5.0 +/-    0.97       5.6 +/-    0.97  0.120 / 0.250
G23     282.7          15.5                2.4 +/-    9.20       6.0 +/-    9.20  0.230 / 0.240
G25     42.1           11.7                5.2 +/-    1.34      13.8 +/-    1.34  0.030 / 0.030
G26     144.3          32.7                9.3 +/-    2.23      15.4 +/-    2.23  0.030 / 0.020
G31     41.9           67.5                5.4 +/-    0.82       5.8 +/-    0.82  0.060 / 0.090
G32     72.5           27.5                3.8 +/-    1.21       7.1 +/-    1.21  0.050 / 0.090