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               10.5 +/-    2.23      15.1 +/-    2.23  0.030 / 0.020
G03     315.8          28.7                6.4 +/-    1.77      11.6 +/-    1.77  0.030 / 0.030
G10     130.6          16.6                8.8 +/-    1.22      21.2 +/-    1.22  0.120 / 0.130
G11     247.1          20.2               12.3 +/-    2.11      26.9 +/-    2.11  0.110 / 0.130
G14     46.9           47.8                8.2 +/-    1.05      10.7 +/-    1.05  0.050 / 0.060
G22     313.8          52.7                8.2 +/-    0.56      10.0 +/-    0.56  0.050 / 0.060
G25     48.3           14.6                5.4 +/-    3.05      13.6 +/-    3.05  0.050 / 0.050
G26     149.9          24.9               12.0 +/-    3.11      23.6 +/-    3.11  0.050 / 0.040
G31     53.5           74.9               10.2 +/-    0.60      10.5 +/-    0.60  0.040 / 0.060
G32     64.0           33.8                7.1 +/-    1.01      11.5 +/-    1.01  0.040 / 0.040