PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-15:43:00
G02     28.6           58.3               10.3 +/-    0.61      11.9 +/-    0.61  0.050 / 0.070
G05     146.7          59.4               10.7 +/-    0.72      12.2 +/-    0.72  0.060 / 0.060
G06     52.4           16.3                7.6 +/-    1.16      18.3 +/-    1.16  0.120 / 0.210
G12     199.3          70.2                9.6 +/-    1.08      10.2 +/-    1.08  0.140 / 0.240
G25     300.7          51.2                8.4 +/-    0.63      10.4 +/-    0.63  0.030 / 0.040
G29     305.3          25.9                9.5 +/-    2.24      18.3 +/-    2.24  0.030 / 0.030