PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-10:12:50
G10     298.2          52.5                4.3 +/-    1.73       5.2 +/-    1.73  0.030 / 0.040
G14     209.8          12.4                1.7 +/-   10.32       4.4 +/-   10.32  0.030 / 0.030
G15     46.0           27.3                2.0 +/-    1.81       3.6 +/-    1.81  0.060 / 0.040
G20     353.1          65.3                4.7 +/-    0.57       5.1 +/-    0.57  0.080 / 0.060
G21     102.5          70.6                5.5 +/-    0.67       5.8 +/-    0.67  0.110 / 0.140
G24     95.5           26.3                5.6 +/-    1.63      10.7 +/-    1.63  0.170 / 0.160
G27     302.6          32.9                4.4 +/-    1.34       7.2 +/-    1.34  0.180 / 0.590
G32     211.1          28.1                5.0 +/-    1.69       9.1 +/-    1.69  0.130 / 0.400