PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-00:12:30
G02     32.1           56.4               10.5 +/-    0.85      12.4 +/-    0.85  0.030 / 0.030
G05     139.2          61.3               14.2 +/-    0.29      16.0 +/-    0.29  0.030 / 0.030
G06     53.2           16.2                9.8 +/-    2.57      23.8 +/-    2.57  0.030 / 0.040
G12     198.8          68.9               14.0 +/-    0.20      14.9 +/-    0.20  0.030 / 0.030
G19     98.2           12.2               11.7 +/-    2.11      31.0 +/-    2.11  0.050 / 0.050
G25     299.7          52.0               12.2 +/-    1.47      15.0 +/-    1.47  0.040 / 0.050
G29     305.8          25.9               12.1 +/-    0.95      23.2 +/-    0.95  0.180 / 0.280