PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-01:57:40
G01     47.1           23.1                2.8 +/-    0.79       5.8 +/-    0.79  0.030 / 0.030
G06     178.3          27.7                6.0 +/-    1.10      11.1 +/-    1.10  0.040 / 0.020
G11     44.6           14.4                2.7 +/-    1.64       6.8 +/-    1.64  0.050 / 0.090
G13     247.3          28.1                2.8 +/-    0.94       5.1 +/-    0.94  0.070 / 0.120
G15     279.2          15.2                4.1 +/-    1.57      10.1 +/-    1.57  0.040 / 0.060
G17     323.5          77.1                3.8 +/-    0.95       3.9 +/-    0.95  0.050 / 0.060
G19     254.3          63.3                4.1 +/-    1.14       4.5 +/-    1.14  0.080 / 0.150
G24     318.9          10.7              -14.3 +/-   24.27     -39.4 +/-   24.27  0.080 / 0.130
G28     59.1           50.9                4.0 +/-    0.68       5.1 +/-    0.68  0.060 / 0.180
G30     150.3          33.6                7.9 +/-    1.69      12.9 +/-    1.69  0.090 / 0.170