PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/28-00:28:10
G02     35.3           53.6               11.3 +/-    0.74      13.7 +/-    0.74  0.040 / 0.040
G05     132.6          64.0               14.2 +/-    0.70      15.6 +/-    0.70  0.020 / 0.040
G06     55.1           13.6                8.7 +/-    1.42      22.3 +/-    1.42  0.030 / 0.040
G12     195.1          65.1               12.5 +/-    1.40      13.6 +/-    1.40  0.030 / 0.040
G19     101.0          10.0               11.6 +/-    1.17      32.5 +/-    1.17  0.050 / 0.060
G25     294.7          54.1               10.7 +/-    0.90      12.8 +/-    0.90  0.050 / 0.060
G29     308.2          28.5                8.9 +/-    1.13      16.2 +/-    1.13  0.130 / 0.340