PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-01:27:40
G01     63.2           31.5                4.3 +/-    1.30       7.2 +/-    1.30  0.030 / 0.040
G06     182.0          11.2               -8.2 +/-   33.76     -22.2 +/-   33.76  0.030 / 0.040
G07     141.0          25.2                7.5 +/-    1.61      14.7 +/-    1.61  0.060 / 0.070
G11     51.2           28.4                4.1 +/-    2.05       7.5 +/-    2.05  0.090 / 0.060
G13     267.0          36.0                6.3 +/-    1.28       9.8 +/-    1.28  0.040 / 0.030
G15     295.8          16.6                4.4 +/-    2.04      10.5 +/-    2.04  0.020 / 0.040
G17     247.1          72.6                5.5 +/-    0.62       5.7 +/-    0.62  0.150 / 0.220
G19     230.0          48.4                5.6 +/-    2.20       7.2 +/-    2.20  0.140 / 0.340
G28     32.1           57.2                4.7 +/-    0.76       5.5 +/-    0.76  0.060 / 0.100
G30     140.8          51.0                7.6 +/-    0.63       9.5 +/-    0.63  0.090 / 0.130