PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-05:13:10
G10     276.7          43.3                6.6 +/-    0.40       9.1 +/-    0.40  0.060 / 0.040
G13     38.8           11.7                4.0 +/-    2.24      10.6 +/-    2.24  0.060 / 0.050
G15     52.0           42.1                4.8 +/-    1.09       6.8 +/-    1.09  0.080 / 0.140
G20     355.4          66.8                4.6 +/-    0.95       5.0 +/-    0.95  0.090 / 0.150
G21     27.9           76.2                5.5 +/-    0.64       5.7 +/-    0.64  0.070 / 0.070
G24     112.6          19.1                6.1 +/-    1.11      13.8 +/-    1.11  0.070 / 0.070
G27     313.7          25.5                6.1 +/-    1.76      11.8 +/-    1.76  0.170 / 0.330
G29     168.9          22.9                6.5 +/-    3.59      13.3 +/-    3.59  0.210 / 0.420
G32     205.4          18.7                7.9 +/-    1.64      17.8 +/-    1.64  0.040 / 0.060