PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/15-03:58:10
G01     259.3          38.5               10.6 +/-    1.62      15.8 +/-    1.62  0.070 / 0.090
G03     316.4          34.8                4.9 +/-    0.81       7.7 +/-    0.81  0.070 / 0.090
G10     134.3          11.0                7.5 +/-    1.69      20.4 +/-    1.69  0.070 / 0.110
G11     241.2          16.7               10.6 +/-    2.02      25.3 +/-    2.02  0.060 / 0.080
G14     54.3           43.7                6.6 +/-    1.18       9.1 +/-    1.18  0.040 / 0.040
G22     311.3          59.1                7.7 +/-    0.84       8.8 +/-    0.84  0.040 / 0.040
G25     42.8           11.8                4.9 +/-    1.16      13.3 +/-    1.16  0.120 / 0.270
G26     145.4          30.7               11.4 +/-    1.54      19.7 +/-    1.54  0.140 / 0.260
G31     43.8           68.2                8.3 +/-    0.72       8.9 +/-    0.72  0.110 / 0.200
G32     70.0           29.5                6.1 +/-    1.17      10.8 +/-    1.17  0.110 / 0.190