PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-02:42:40
G01     273.3          41.2                9.1 +/-    1.71      13.0 +/-    1.71  0.060 / 0.080
G03     315.1          25.7                6.1 +/-    4.80      11.7 +/-    4.80  0.060 / 0.090
G10     128.5          19.4                8.0 +/-    1.80      17.9 +/-    1.80  0.040 / 0.050
G11     250.7          21.9                9.8 +/-    2.94      20.6 +/-    2.94  0.040 / 0.060
G14     42.7           50.1                6.6 +/-    0.27       8.3 +/-    0.27  0.050 / 0.080
G22     314.3          49.1                6.1 +/-    1.28       7.8 +/-    1.28  0.060 / 0.080
G25     51.9           16.0                9.2 +/-    2.03      22.3 +/-    2.03  0.170 / 0.320
G26     152.6          21.6                9.4 +/-    1.09      19.9 +/-    1.09  0.120 / 0.310
G31     65.8           78.7                6.9 +/-    0.71       7.0 +/-    0.71  0.040 / 0.090
G32     60.4           36.5                7.6 +/-    1.17      11.8 +/-    1.17  0.060 / 0.070