PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/13-23:58:00
G02     21.9           63.9               10.1 +/-    0.71      11.1 +/-    0.71  0.050 / 0.090
G05     151.7          52.1               15.5 +/-    1.14      19.1 +/-    1.14  0.050 / 0.110
G06     47.1           26.4               10.2 +/-    1.47      19.3 +/-    1.47  0.240 / 0.380
G12     244.8          78.6               11.6 +/-    0.69      11.8 +/-    0.69  0.250 / 0.480
G19     90.6           15.8               11.3 +/-    1.67      27.6 +/-    1.67  0.030 / 0.040
G24     215.2          10.3               18.9 +/-    3.29      52.4 +/-    3.29  0.020 / 0.030
G25     309.3          45.1               10.0 +/-    2.11      13.4 +/-    2.11  0.050 / 0.060
G29     300.4          22.7               10.3 +/-    1.44      21.2 +/-    1.44  0.040 / 0.050