PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/23-02:43:00
G01     286.1          40.9                5.2 +/-    1.30       7.4 +/-    1.30  0.060 / 0.080
G03     312.7          17.8                4.4 +/-    1.53      10.2 +/-    1.53  0.040 / 0.080
G10     122.2          26.9                5.9 +/-    1.17      11.1 +/-    1.17  0.070 / 0.080
G11     259.8          25.8                8.9 +/-    1.49      17.1 +/-    1.49  0.050 / 0.080
G14     31.2           55.7                3.5 +/-    1.01       4.1 +/-    1.01  0.040 / 0.050
G22     314.1          40.7                4.8 +/-    2.36       6.9 +/-    2.36  0.040 / 0.050
G25     60.7           17.7                4.4 +/-    0.62      10.2 +/-    0.62  0.050 / 0.130
G26     157.6          14.2                6.1 +/-    2.42      15.5 +/-    2.42  0.050 / 0.120
G31     125.2          80.7                5.5 +/-    0.49       5.5 +/-    0.49  0.040 / 0.060
G32     51.9           42.3                3.9 +/-    1.15       5.5 +/-    1.15  0.040 / 0.050