PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-23:28:10
G02     35.3           53.6               12.1 +/-    0.42      14.7 +/-    0.42  0.030 / 0.030
G05     132.0          64.4               13.8 +/-    1.08      15.2 +/-    1.08  0.030 / 0.040
G06     55.5           13.0                8.9 +/-    1.12      23.3 +/-    1.12  0.050 / 0.070
G12     193.4          64.0               13.4 +/-    1.48      14.7 +/-    1.48  0.040 / 0.060
G19     101.4          9.9                11.3 +/-    3.20      31.6 +/-    3.20  0.030 / 0.050
G25     293.5          54.6               11.2 +/-    0.80      13.4 +/-    0.80  0.040 / 0.040
G29     308.6          28.8               10.8 +/-    2.04      19.3 +/-    2.04  0.080 / 0.310