PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/28-22:12:30
G02     32.0           56.4               11.2 +/-    0.52      13.1 +/-    0.52  0.040 / 0.040
G05     138.5          62.1               13.7 +/-    0.73      15.3 +/-    0.73  0.040 / 0.040
G06     54.0           14.8                8.8 +/-    1.00      21.9 +/-    1.00  0.030 / 0.040
G12     194.4          66.7               11.3 +/-    0.50      12.2 +/-    0.50  0.030 / 0.040
G19     99.0           12.0               11.0 +/-    1.89      29.4 +/-    1.89  0.040 / 0.060
G25     297.5          53.2                9.8 +/-    0.67      12.0 +/-    0.67  0.040 / 0.060
G29     306.5          26.6                8.8 +/-    1.12      16.7 +/-    1.12  0.060 / 0.160