PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-14:42:40
G07     11.7           66.7                9.2 +/-    0.69       9.9 +/-    0.69  0.040 / 0.030
G08     75.7           51.8                9.5 +/-    0.71      11.7 +/-    0.71  0.040 / 0.060
G09     182.9          59.6               13.4 +/-    1.28      15.3 +/-    1.28  0.030 / 0.040
G11     135.5          23.3               11.5 +/-    1.42      23.4 +/-    1.42  0.020 / 0.050
G23     158.4          25.5               11.6 +/-    1.06      22.4 +/-    1.06  0.070 / 0.150
G27     45.0           23.9                7.2 +/-    0.98      14.5 +/-    0.98  0.070 / 0.130
G28     247.4          35.3               12.9 +/-    1.56      20.3 +/-    1.56  0.070 / 0.140
G30     316.1          48.0                9.3 +/-    0.84      12.0 +/-    0.84  0.080 / 0.130