PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-10:42:50
G03     228.1          67.5                7.4 +/-    1.00       7.9 +/-    1.00  0.100 / 0.410
G07     249.6          12.4                3.8 +/-    2.50      10.1 +/-    2.50  0.160 / 0.380
G09     303.5          17.9                4.4 +/-    1.66      10.3 +/-    1.66  0.060 / 0.060
G14     100.4          13.5                4.2 +/-    1.03      10.7 +/-    1.03  0.060 / 0.070
G16     126.9          59.0                8.0 +/-    0.49       9.2 +/-    0.49  0.060 / 0.050
G22     192.8          52.9                8.5 +/-    1.19      10.3 +/-    1.19  0.050 / 0.050
G23     322.2          52.1                6.7 +/-    1.11       8.3 +/-    1.11  0.140 / 0.390
G26     68.7           51.7                5.0 +/-    0.48       6.2 +/-    0.48  0.170 / 0.510
G31     53.2           17.9                2.4 +/-    1.54       5.5 +/-    1.54  0.060 / 0.070