PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-17:42:40
G02     6.6            71.2                9.2 +/-    0.54       9.7 +/-    0.54  0.060 / 0.100
G05     159.1          44.3               10.4 +/-    1.17      14.2 +/-    1.17  0.050 / 0.090
G06     45.0           29.5                8.2 +/-    1.00      14.6 +/-    1.00  0.130 / 0.250
G12     275.7          79.3                7.5 +/-    0.65       7.7 +/-    0.65  0.170 / 0.330
G19     85.3           18.9                8.7 +/-    2.78      19.6 +/-    2.78  0.080 / 0.090
G24     220.9          15.0               12.2 +/-    2.77      30.3 +/-    2.77  0.080 / 0.090
G25     313.8          38.0                8.2 +/-    0.92      12.3 +/-    0.92  0.040 / 0.040
G29     294.0          15.8               10.4 +/-    1.79      25.3 +/-    1.79  0.060 / 0.040