PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/25-23:27:40
G01     313.5          27.1                9.1 +/-    1.22      17.0 +/-    1.22  0.100 / 0.160
G10     95.5           47.0                8.6 +/-    1.04      11.3 +/-    1.04  0.090 / 0.160
G11     291.1          27.8                8.3 +/-    1.42      15.2 +/-    1.42  0.160 / 0.320
G14     337.3          70.1                9.7 +/-    0.69      10.2 +/-    0.69  0.300 / 0.370
G18     111.2          20.3               10.5 +/-    0.99      22.9 +/-    0.99  0.040 / 0.040
G22     305.8          18.0               10.5 +/-    1.17      24.2 +/-    1.17  0.040 / 0.050
G25     89.2           13.4               11.8 +/-    2.03      30.6 +/-    2.03  0.090 / 0.150
G31     177.7          51.2               12.2 +/-    1.20      15.1 +/-    1.20  0.140 / 0.130
G32     21.4           60.9                7.7 +/-    0.43       8.7 +/-    0.43  0.050 / 0.060