PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/29-09:58:00
G01     50.9           25.9                4.7 +/-    1.14       9.1 +/-    1.14  0.040 / 0.060
G06     179.9          22.1                4.5 +/-    1.94       9.4 +/-    1.94  0.030 / 0.060
G07     145.8          12.1                3.9 +/-    3.09      10.3 +/-    3.09  0.030 / 0.030
G11     44.7           14.9                1.7 +/-    2.49       4.1 +/-    2.49  0.020 / 0.030
G13     253.5          30.8                5.8 +/-    1.59      10.1 +/-    1.59  0.110 / 0.360
G15     284.9          16.0                4.1 +/-    2.56       9.9 +/-    2.56  0.130 / 0.340
G17     320.4          79.0                5.8 +/-    0.36       5.9 +/-    0.36  0.080 / 0.310
G19     246.6          61.0                6.2 +/-    1.06       6.9 +/-    1.06  0.090 / 0.210
G28     51.9           52.9                3.4 +/-    0.51       4.1 +/-    0.51  0.070 / 0.140
G30     149.0          42.5                7.5 +/-    0.48      10.5 +/-    0.48  0.090 / 0.120