PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-10:27:30
G10     297.2          52.2                4.2 +/-    1.25       5.1 +/-    1.25  0.030 / 0.040
G14     209.6          11.9                0.9 +/-   10.61       2.4 +/-   10.61  0.030 / 0.040
G15     46.1           27.9                0.8 +/-    1.60       1.4 +/-    1.60  0.200 / 0.470
G20     351.6          65.3                2.4 +/-    0.62       2.6 +/-    0.62  0.110 / 0.460
G21     101.2          70.8                3.9 +/-    0.71       4.1 +/-    0.71  0.060 / 0.120
G24     96.0           26.0                5.7 +/-    0.78      10.9 +/-    0.78  0.080 / 0.080
G27     303.2          32.5                3.7 +/-    1.31       6.1 +/-    1.31  0.040 / 0.040
G32     210.8          27.7                5.0 +/-    1.61       9.2 +/-    1.61  0.030 / 0.040