PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/15-03:58:00
G01     264.5          41.3                7.2 +/-    1.40      10.2 +/-    1.40  0.040 / 0.080
G03     316.4          32.1                6.2 +/-    1.07      10.4 +/-    1.07  0.040 / 0.070
G10     131.2          12.8                6.4 +/-    4.49      16.7 +/-    4.49  0.050 / 0.080
G11     248.5          17.7                8.6 +/-    1.94      19.9 +/-    1.94  0.050 / 0.060
G14     45.1           49.4                5.2 +/-    0.40       6.6 +/-    0.40  0.110 / 0.300
G18     229.9          36.7                7.3 +/-    1.69      11.2 +/-    1.69  0.100 / 0.270
G22     313.4          53.7                5.7 +/-    1.47       6.8 +/-    1.47  0.060 / 0.080
G25     50.8           16.0                3.9 +/-    1.75       9.4 +/-    1.75  0.070 / 0.100
G31     50.2           69.1                5.3 +/-    0.41       5.6 +/-    0.41  0.190 / 0.440
G32     66.2           31.0                4.9 +/-    1.01       8.4 +/-    1.01  0.140 / 0.470