PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-16:13:10
G07     347.1          62.4                8.6 +/-    0.80       9.6 +/-    0.80  0.090 / 0.150
G08     96.3           51.9                9.6 +/-    0.54      11.8 +/-    0.54  0.080 / 0.170
G09     193.0          73.5                9.1 +/-    1.11       9.5 +/-    1.11  0.130 / 0.480
G11     143.9          15.0               10.6 +/-    2.92      26.5 +/-    2.92  0.150 / 0.420
G23     155.8          39.8               11.7 +/-    0.98      17.1 +/-    0.98  0.030 / 0.050
G27     55.2           32.1                8.5 +/-    0.49      14.2 +/-    0.49  0.030 / 0.060
G28     236.8          26.1                9.1 +/-    2.03      17.4 +/-    2.03  0.050 / 0.080
G30     304.3          38.0                9.5 +/-    0.96      14.2 +/-    0.96  0.060 / 0.080