PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-23:27:50
G01     275.2          41.3                7.5 +/-    0.86      10.6 +/-    0.86  0.040 / 0.060
G03     315.0          25.6                6.5 +/-    1.84      12.6 +/-    1.84  0.040 / 0.070
G10     127.8          20.3                9.4 +/-    0.74      20.6 +/-    0.74  0.050 / 0.090
G11     253.1          22.3                7.5 +/-    2.20      15.6 +/-    2.20  0.050 / 0.100
G14     40.5           51.4                5.5 +/-    0.54       6.9 +/-    0.54  0.030 / 0.030
G22     314.4          47.7                5.4 +/-    0.78       7.0 +/-    0.78  0.020 / 0.020
G25     54.4           17.2                5.0 +/-    0.95      11.8 +/-    0.95  0.080 / 0.150
G26     153.0          20.7               11.3 +/-    1.88      24.4 +/-    1.88  0.080 / 0.170
G31     74.2           80.3                6.5 +/-    0.55       6.5 +/-    0.55  0.040 / 0.070
G32     60.1           36.2                5.7 +/-    0.22       8.8 +/-    0.22  0.030 / 0.060