PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/06-01:27:50
G01     46.3           22.3                4.8 +/-    1.74      10.0 +/-    1.74  0.050 / 0.050
G06     177.8          29.2                7.1 +/-    1.17      12.7 +/-    1.17  0.040 / 0.050
G11     44.4           13.4                2.9 +/-    2.30       7.6 +/-    2.30  0.120 / 0.170
G13     246.1          27.4                6.2 +/-    2.60      11.5 +/-    2.60  0.200 / 0.180
G15     278.1          14.9                4.2 +/-    1.54      10.5 +/-    1.54  0.020 / 0.020
G17     327.0          76.7                5.7 +/-    0.44       5.9 +/-    0.44  0.030 / 0.020
G19     256.6          64.0                5.9 +/-    0.64       6.5 +/-    0.64  0.080 / 0.120
G24     318.7          11.8               -0.6 +/-   24.80      -1.6 +/-   24.80  0.080 / 0.110
G28     60.8           50.3                4.8 +/-    0.43       6.0 +/-    0.43  0.110 / 0.300
G30     150.9          32.7                8.6 +/-    0.74      14.2 +/-    0.74  0.150 / 0.210