PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-01:43:00
G03     188.3          13.6                4.9 +/-    5.67      12.5 +/-    5.67  0.150 / 0.310
G07     300.5          43.8                5.1 +/-    0.86       7.0 +/-    0.86  0.120 / 0.440
G08     133.0          36.0                7.6 +/-    0.82      11.9 +/-    0.82  0.050 / 0.090
G09     315.7          77.5                4.4 +/-    1.04       4.5 +/-    1.04  0.050 / 0.080
G16     42.1           27.6                1.2 +/-    0.96       2.2 +/-    0.96  0.060 / 0.160
G23     137.6          70.4                4.4 +/-    0.69       4.6 +/-    0.69  0.090 / 0.180
G27     87.4           36.3                3.7 +/-    0.39       5.8 +/-    0.39  0.030 / 0.040
G30     280.0          15.7                4.5 +/-    1.67      10.9 +/-    1.67  0.040 / 0.050