PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-16:12:50
G01     289.0          40.4                5.7 +/-    1.14       8.3 +/-    1.14  0.080 / 0.110
G03     313.0          21.3                6.0 +/-    3.30      12.7 +/-    3.30  0.070 / 0.100
G10     120.9          27.9                7.1 +/-    1.38      12.9 +/-    1.38  0.030 / 0.030
G11     266.9          25.2                9.0 +/-    1.15      17.4 +/-    1.15  0.030 / 0.030
G14     23.6           59.0                6.4 +/-    0.61       7.3 +/-    0.61  0.070 / 0.070
G22     314.3          41.4                5.8 +/-    1.82       8.3 +/-    1.82  0.060 / 0.080
G25     66.0           19.2                7.1 +/-    0.67      15.8 +/-    0.67  0.040 / 0.090
G26     155.2          14.7                9.7 +/-    1.69      24.4 +/-    1.69  0.060 / 0.060
G31     115.2          79.5                7.9 +/-    0.72       8.0 +/-    0.72  0.050 / 0.090
G32     53.0           40.4                7.0 +/-    0.47      10.1 +/-    0.47  0.060 / 0.110