PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-01:57:50
G01     50.0           25.4                4.3 +/-    1.97       8.3 +/-    1.97  0.040 / 0.050
G06     179.1          23.9                5.4 +/-    1.76      10.8 +/-    1.76  0.040 / 0.050
G07     146.4          12.6                6.2 +/-    2.75      16.5 +/-    2.75  0.090 / 0.120
G11     45.5           17.5                4.1 +/-    1.82       9.6 +/-    1.82  0.110 / 0.110
G13     251.1          30.2                5.3 +/-    1.45       9.2 +/-    1.45  0.030 / 0.030
G15     282.7          16.0                4.2 +/-    0.87      10.3 +/-    0.87  0.020 / 0.020
G17     305.8          78.1                5.5 +/-    0.68       5.6 +/-    0.68  0.110 / 0.120
G19     247.6          60.4                3.9 +/-    0.46       4.4 +/-    0.46  0.080 / 0.140
G28     53.7           52.4                3.5 +/-    1.29       4.2 +/-    1.29  0.080 / 0.160
G30     148.7          37.2                8.3 +/-    0.69      12.6 +/-    0.69  0.080 / 0.180