PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-18:12:30
G02     220.7          63.6                9.6 +/-    1.16      10.6 +/-    1.16  0.130 / 0.370
G06     49.3           70.4                8.8 +/-    0.39       9.3 +/-    0.39  0.140 / 0.480
G12     319.0          38.5                6.8 +/-    1.69      10.2 +/-    1.69  0.060 / 0.050
G17     59.2           31.6                8.2 +/-    1.78      13.9 +/-    1.78  0.060 / 0.040
G19     45.2           45.2                8.0 +/-    1.61      10.7 +/-    1.61  0.070 / 0.120
G24     259.8          40.1                9.6 +/-    2.77      14.0 +/-    2.77  0.060 / 0.150
G28     123.9          15.5                8.0 +/-    1.32      19.7 +/-    1.32  0.060 / 0.110