PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-11:27:40
G03     207.3          56.0                8.1 +/-    0.95       9.6 +/-    0.95  0.090 / 0.180
G07     259.5          20.8                6.2 +/-    1.44      13.4 +/-    1.44  0.120 / 0.210
G09     310.3          27.7                3.9 +/-    1.42       7.1 +/-    1.42  0.200 / 0.290
G16     96.9           64.5                6.3 +/-    0.36       6.9 +/-    0.36  0.210 / 0.260
G22     187.2          39.2                5.6 +/-    2.14       8.3 +/-    2.14  0.080 / 0.090
G23     333.8          62.6                5.7 +/-    0.56       6.4 +/-    0.56  0.090 / 0.080
G26     53.7           43.4                3.6 +/-    0.41       5.0 +/-    0.41  0.040 / 0.060
G27     134.6          10.6               -7.5 +/-   31.50     -20.7 +/-   31.50  0.040 / 0.060