PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-02:43:10
G10     305.5          54.8                9.0 +/-    1.10      10.7 +/-    1.10  0.040 / 0.040
G14     211.0          15.3               12.0 +/-    7.32      29.5 +/-    7.32  0.040 / 0.040
G15     45.6           23.4                5.6 +/-    0.59      11.3 +/-    0.59  0.080 / 0.080
G20     2.3            64.9                9.4 +/-    0.52      10.2 +/-    0.52  0.060 / 0.070
G21     107.8          71.5               10.9 +/-    1.20      11.4 +/-    1.20  0.040 / 0.050
G24     93.3           28.0                9.6 +/-    1.78      17.6 +/-    1.78  0.040 / 0.040
G27     296.7          35.6               10.7 +/-    0.67      16.9 +/-    0.67  0.170 / 0.770
G32     212.4          34.2               11.6 +/-    2.24      18.7 +/-    2.24  0.160 / 0.670