PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-00:13:10
G01     42.9           18.7                7.8 +/-    1.03      17.6 +/-    1.03  0.070 / 0.150
G06     176.1          35.5               12.2 +/-    1.02      19.2 +/-    1.02  0.080 / 0.140
G13     240.9          24.0                9.7 +/-    1.97      19.3 +/-    1.97  0.030 / 0.030
G15     273.3          13.4               10.2 +/-    1.67      26.3 +/-    1.67  0.030 / 0.040
G17     342.2          74.2                9.0 +/-    0.60       9.3 +/-    0.60  0.050 / 0.040
G19     268.5          67.2                8.3 +/-    0.98       8.9 +/-    0.98  0.040 / 0.040
G24     317.6          16.4                8.2 +/-    4.03      19.7 +/-    4.03  0.190 / 0.370
G28     68.1           48.0                8.2 +/-    0.52      10.6 +/-    0.52  0.200 / 0.280
G30     153.0          28.2               12.2 +/-    1.34      22.2 +/-    1.34  0.040 / 0.060