PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-18:42:40
G02     28.5           58.4                9.8 +/-    0.58      11.3 +/-    0.58  0.040 / 0.060
G05     143.4          60.1               12.4 +/-    1.05      14.1 +/-    1.05  0.040 / 0.060
G06     52.3           16.8                7.8 +/-    1.24      18.5 +/-    1.24  0.030 / 0.060
G12     203.9          71.2                9.8 +/-    1.03      10.3 +/-    1.03  0.030 / 0.040
G25     300.7          51.2                8.5 +/-    0.81      10.6 +/-    0.81  0.040 / 0.040
G29     305.7          26.6                9.5 +/-    2.00      17.8 +/-    2.00  0.040 / 0.040