PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-00:27:50
G01     245.5          32.6               10.1 +/-    1.74      16.7 +/-    1.74  0.040 / 0.050
G03     314.9          47.5                5.7 +/-    0.59       7.4 +/-    0.59  0.040 / 0.040
G14     65.3           37.8                5.1 +/-    0.64       7.8 +/-    0.64  0.070 / 0.110
G16     159.8          23.2                2.2 +/-   17.40       4.5 +/-   17.40  0.090 / 0.120
G18     215.3          22.8               10.4 +/-    2.59      21.5 +/-    2.59  0.050 / 0.110
G22     297.2          69.3                7.3 +/-    0.95       7.7 +/-    0.95  0.050 / 0.120
G23     289.7          21.0                8.2 +/-    1.38      17.5 +/-    1.38  0.080 / 0.200
G26     131.8          42.0                8.8 +/-    1.27      12.4 +/-    1.27  0.070 / 0.200
G31     40.3           54.5                5.0 +/-    0.80       6.0 +/-    0.80  0.090 / 0.230
G32     81.6           19.5                5.4 +/-    1.30      11.9 +/-    1.30  0.080 / 0.260