PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/19-06:12:50
G01     246.9          33.2                8.8 +/-    1.53      14.5 +/-    1.53  0.070 / 0.120
G03     315.2          44.7                7.8 +/-    0.88      10.6 +/-    0.88  0.080 / 0.160
G11     232.1          11.0                7.7 +/-   11.88      21.0 +/-   11.88  0.030 / 0.030
G14     65.2           37.2                5.7 +/-    1.66       8.7 +/-    1.66  0.030 / 0.030
G16     162.7          20.7                8.3 +/-    1.03      17.9 +/-    1.03  0.090 / 0.120
G22     299.4          69.4                7.1 +/-    0.72       7.5 +/-    0.72  0.110 / 0.090
G23     288.6          20.2                7.9 +/-    2.50      17.3 +/-    2.50  0.080 / 0.220
G26     135.5          40.1                8.6 +/-    0.91      12.5 +/-    0.91  0.110 / 0.330
G31     39.9           55.9                6.0 +/-    0.45       7.1 +/-    0.45  0.050 / 0.080
G32     79.6           22.1                6.2 +/-    1.40      13.1 +/-    1.40  0.040 / 0.070