PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/23-02:27:30
G02     26.2           61.5               10.0 +/-    0.86      11.2 +/-    0.86  0.080 / 0.200
G05     148.5          54.8               11.6 +/-    0.66      13.9 +/-    0.66  0.170 / 0.120
G06     49.3           22.6                7.8 +/-    1.65      16.1 +/-    1.65  0.030 / 0.020
G12     220.5          76.6                9.7 +/-    0.46      10.0 +/-    0.46  0.030 / 0.020
G19     92.6           15.9                9.7 +/-    2.02      23.5 +/-    2.02  0.040 / 0.040
G25     308.0          46.1                9.9 +/-    1.26      13.2 +/-    1.26  0.040 / 0.040
G29     300.9          21.3                8.6 +/-    2.27      18.4 +/-    2.27  0.060 / 0.060