PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-03:42:50
G01     296.3          38.6                7.2 +/-    1.00      10.8 +/-    1.00  0.060 / 0.080
G03     309.8          11.3               -2.3 +/-   32.47      -6.3 +/-   32.47  0.080 / 0.080
G10     115.7          33.3                8.3 +/-    0.65      13.6 +/-    0.65  0.080 / 0.100
G11     268.0          28.3                7.5 +/-    1.15      13.6 +/-    1.15  0.080 / 0.110
G14     19.9           60.4                5.6 +/-    0.57       6.3 +/-    0.57  0.030 / 0.050
G22     312.7          34.1                6.5 +/-    1.48      10.5 +/-    1.48  0.030 / 0.050
G25     68.1           17.6                5.8 +/-    0.43      13.4 +/-    0.43  0.060 / 0.160
G31     154.9          74.9                6.7 +/-    1.11       6.9 +/-    1.11  0.060 / 0.140
G32     44.6           47.0                4.0 +/-    0.84       5.3 +/-    0.84  0.040 / 0.050