PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-04:27:50
G03     214.8          59.0                5.2 +/-    1.26       5.9 +/-    1.26  0.040 / 0.080
G07     257.5          17.4                3.4 +/-    2.09       7.9 +/-    2.09  0.050 / 0.090
G09     310.5          28.9                2.2 +/-    1.48       4.0 +/-    1.48  0.140 / 0.290
G16     93.3           63.1                5.0 +/-    1.01       5.5 +/-    1.01  0.090 / 0.320
G22     191.0          42.8                5.8 +/-    1.88       8.1 +/-    1.88  0.210 / 0.150
G23     332.3          61.4                5.1 +/-    0.47       5.7 +/-    0.47  0.030 / 0.050
G26     53.8           42.7                4.8 +/-    0.68       6.6 +/-    0.68  0.040 / 0.050
G27     134.6          10.0              -16.3 +/-   11.54     -45.6 +/-   11.54  0.070 / 0.120