PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-04:58:00
G07     338.1          59.6                3.9 +/-    0.79       4.4 +/-    0.79  0.110 / 0.160
G08     93.3           51.9                6.6 +/-    0.38       8.2 +/-    0.38  0.110 / 0.160
G09     188.0          71.2                5.7 +/-    0.94       6.0 +/-    0.94  0.140 / 0.430
G11     143.8          14.2                6.8 +/-    4.17      17.2 +/-    4.17  0.100 / 0.410
G16     47.0           10.6                1.0 +/-    3.55       2.7 +/-    3.55  0.030 / 0.040
G23     156.7          40.7                8.0 +/-    1.71      11.5 +/-    1.71  0.040 / 0.040
G27     52.2           29.6                4.1 +/-    1.18       7.3 +/-    1.18  0.030 / 0.050
G28     239.6          32.1                4.3 +/-    1.59       7.3 +/-    1.59  0.030 / 0.040
G30     304.1          36.9                3.3 +/-    0.78       5.1 +/-    0.78  0.030 / 0.030