PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/22-05:58:00
G01     314.0          26.4                4.2 +/-    1.28       8.0 +/-    1.28  0.050 / 0.030
G10     93.7           48.0                4.2 +/-    0.82       5.4 +/-    0.82  0.040 / 0.020
G11     290.4          28.8                3.0 +/-    1.39       5.4 +/-    1.39  0.030 / 0.030
G14     335.9          70.4                2.1 +/-    0.49       2.2 +/-    0.49  0.040 / 0.040
G18     109.4          23.6                3.8 +/-    1.45       7.6 +/-    1.45  0.110 / 0.140
G22     305.7          19.2                2.2 +/-    1.78       4.9 +/-    1.78  0.090 / 0.150
G25     87.5           12.8                4.5 +/-    2.87      11.8 +/-    2.87  0.130 / 0.180
G31     172.6          53.9                5.3 +/-    0.65       6.4 +/-    0.65  0.110 / 0.140
G32     23.0           60.3                4.4 +/-    0.76       5.0 +/-    0.76  0.040 / 0.040