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                8.2 +/-    1.20       9.7 +/-    1.20  0.110 / 0.080
G14     211.0          15.3               12.0 +/-    3.20      29.5 +/-    3.20  0.090 / 0.080
G15     45.6           23.4                6.1 +/-    2.66      12.3 +/-    2.66  0.040 / 0.050
G20     2.3            64.9                9.4 +/-    0.48      10.2 +/-    0.48  0.050 / 0.070
G21     107.8          71.5               11.0 +/-    0.65      11.6 +/-    0.65  0.040 / 0.040
G24     93.3           28.0                8.6 +/-    1.36      15.7 +/-    1.36  0.040 / 0.030
G27     296.7          35.6               10.0 +/-    3.58      15.6 +/-    3.58  0.170 / 0.510
G32     212.4          34.2               11.8 +/-    2.00      18.9 +/-    2.00  0.180 / 0.410