PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-14:27:50
G01     244.0          32.2                5.4 +/-    1.59       9.0 +/-    1.59  0.110 / 0.110
G03     314.0          53.5                5.3 +/-    0.90       6.4 +/-    0.90  0.070 / 0.080
G14     66.6           36.6                6.4 +/-    1.13       9.9 +/-    1.13  0.070 / 0.080
G16     164.0          20.5                7.8 +/-    1.02      17.1 +/-    1.02  0.060 / 0.120
G18     214.0          21.7                7.7 +/-    2.17      16.2 +/-    2.17  0.050 / 0.060
G22     286.6          74.7                6.7 +/-    0.95       6.9 +/-    0.95  0.070 / 0.060
G23     290.8          22.5                6.8 +/-    1.74      14.1 +/-    1.74  0.090 / 0.090
G26     135.6          41.6                9.3 +/-    1.99      13.2 +/-    1.99  0.070 / 0.090
G31     40.4           54.4                5.8 +/-    0.41       7.0 +/-    0.41  0.030 / 0.030
G32     79.9           23.2                6.7 +/-    1.96      13.7 +/-    1.96  0.030 / 0.030