PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-20:27:50
G01     320.0          15.6                5.9 +/-    2.43      14.4 +/-    2.43  0.130 / 0.330
G08     257.9          14.7                7.9 +/-    2.29      19.7 +/-    2.29  0.170 / 0.370
G10     75.5           54.2                7.5 +/-    0.48       9.0 +/-    0.48  0.190 / 0.380
G11     304.6          22.5                6.9 +/-    1.75      14.2 +/-    1.75  0.160 / 0.340
G14     288.4          70.2                9.6 +/-    0.61      10.2 +/-    0.61  0.050 / 0.050
G18     305.8          40.4                8.9 +/-    0.64      12.9 +/-    0.64  0.040 / 0.050
G20     102.9          31.1               10.2 +/-    1.08      17.4 +/-    1.08  0.110 / 0.270
G27     227.8          11.2                8.2 +/-    1.92      22.3 +/-    1.92  0.120 / 0.250
G31     178.3          37.1               11.7 +/-    1.92      17.8 +/-    1.92  0.090 / 0.210
G32     1.0            69.6                9.2 +/-    0.87       9.7 +/-    0.87  0.110 / 0.200