PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-16:12:50
G02     74.8           20.6                7.0 +/-    0.87      15.1 +/-    0.87  0.040 / 0.050
G05     45.1           45.9                7.0 +/-    0.59       9.3 +/-    0.59  0.030 / 0.060
G12     179.0          12.7                9.8 +/-    4.36      25.8 +/-    4.36  0.210 / 0.330
G13     109.3          27.1                8.9 +/-    1.47      16.5 +/-    1.47  0.420 / 0.570
G15     152.0          29.1                9.6 +/-    1.03      17.1 +/-    1.03  0.080 / 0.140
G20     228.3          15.6                9.2 +/-   10.64      22.5 +/-   10.64  0.070 / 0.110
G21     287.7          28.4                6.9 +/-    2.15      12.5 +/-    2.15  0.130 / 0.240
G25     216.8          36.4                8.8 +/-    1.43      13.5 +/-    1.43  0.080 / 0.180
G26     314.3          13.8                4.0 +/-    2.56      10.3 +/-    2.56  0.080 / 0.160
G29     343.2          73.2                7.5 +/-    0.33       7.8 +/-    0.33  0.090 / 0.170