PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/15-03:43:10
G01     268.3          40.6                9.8 +/-    1.27      14.2 +/-    1.27  0.050 / 0.080
G03     315.8          28.7                5.7 +/-    1.26      10.3 +/-    1.26  0.050 / 0.090
G10     130.6          16.6                7.9 +/-    2.34      19.0 +/-    2.34  0.070 / 0.090
G11     247.1          20.2               11.2 +/-    1.59      24.4 +/-    1.59  0.070 / 0.070
G14     46.9           47.8                8.7 +/-    0.89      11.3 +/-    0.89  0.030 / 0.050
G22     313.8          52.7                7.7 +/-    1.46       9.4 +/-    1.46  0.040 / 0.050
G25     48.3           14.6                5.1 +/-    1.31      12.8 +/-    1.31  0.090 / 0.210
G26     149.9          24.9               11.3 +/-    0.98      22.2 +/-    0.98  0.070 / 0.210
G31     53.5           74.9                9.1 +/-    0.69       9.4 +/-    0.69  0.080 / 0.180
G32     64.0           33.8                6.1 +/-    1.16       9.9 +/-    1.16  0.070 / 0.210