PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-22:42:40
G01     303.2          35.5                7.6 +/-    1.12      12.0 +/-    1.12  0.070 / 0.130
G10     110.0          37.8                8.4 +/-    1.00      12.6 +/-    1.00  0.070 / 0.140
G11     277.0          28.5                7.2 +/-    1.41      13.0 +/-    1.41  0.040 / 0.040
G14     7.3            64.5                6.4 +/-    0.90       7.0 +/-    0.90  0.030 / 0.040
G18     120.0          10.4                8.8 +/-    2.27      24.4 +/-    2.27  0.100 / 0.230
G22     310.8          28.2                5.1 +/-    1.36       9.3 +/-    1.36  0.090 / 0.210
G25     76.9           17.4                8.4 +/-    1.44      19.6 +/-    1.44  0.060 / 0.100
G31     170.2          66.9                9.8 +/-    0.93      10.5 +/-    0.93  0.050 / 0.090
G32     38.4           51.2                7.6 +/-    0.39       9.4 +/-    0.39  0.050 / 0.060