PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-02:57:50
G10     298.0          52.7                9.3 +/-    1.50      11.3 +/-    1.50  0.060 / 0.080
G14     209.8          11.1               -5.5 +/-   19.47     -15.1 +/-   19.47  0.070 / 0.090
G15     46.0           27.5                5.6 +/-    1.78      10.3 +/-    1.78  0.060 / 0.060
G20     351.0          65.2                9.0 +/-    0.62       9.8 +/-    0.62  0.050 / 0.070
G21     93.9           74.5               10.0 +/-    0.73      10.3 +/-    0.73  0.040 / 0.030
G24     98.4           26.4                7.3 +/-    1.47      13.9 +/-    1.47  0.040 / 0.040
G27     302.0          33.6                6.6 +/-    2.66      10.8 +/-    2.66  0.170 / 0.000
G32     210.5          29.3               12.9 +/-    2.44      22.8 +/-    2.44  0.250 / 0.400