PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/17-18:28:10
G01     295.4          38.8                8.3 +/-    1.13      12.2 +/-    1.13  0.080 / 0.110
G03     310.9          15.4                4.7 +/-    2.02      11.7 +/-    2.02  0.060 / 0.120
G10     116.7          32.1               10.0 +/-    0.60      16.8 +/-    0.60  0.030 / 0.030
G11     271.0          26.8                7.2 +/-    1.95      13.6 +/-    1.95  0.030 / 0.030
G14     17.3           61.3                5.4 +/-    0.64       6.1 +/-    0.64  0.060 / 0.110
G22     313.1          35.4                6.7 +/-    1.59      10.6 +/-    1.59  0.070 / 0.120
G25     70.9           18.9                8.7 +/-    0.64      19.6 +/-    0.64  0.060 / 0.110
G26     159.1          10.3              -18.2 +/-   27.44     -50.5 +/-   27.44  0.070 / 0.090
G31     147.0          76.4                8.2 +/-    1.20       8.4 +/-    1.20  0.040 / 0.060
G32     47.6           44.5                6.5 +/-    0.44       8.8 +/-    0.44  0.050 / 0.060