PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-20:42:50
G02     249.6          77.5               10.3 +/-    0.39      10.6 +/-    0.39  0.100 / 0.310
G05     170.3          18.4               14.6 +/-    3.04      33.4 +/-    3.04  0.120 / 0.310
G06     39.8           57.1                9.9 +/-    0.93      11.6 +/-    0.93  0.030 / 0.030
G12     320.8          51.7                9.8 +/-    1.42      12.2 +/-    1.42  0.030 / 0.030
G17     71.7           21.9                8.9 +/-    1.12      18.7 +/-    1.12  0.120 / 0.070
G19     59.5           36.3               10.8 +/-    1.43      16.8 +/-    1.43  0.120 / 0.110
G24     242.7          33.4               13.6 +/-    2.17      22.2 +/-    2.17  0.030 / 0.060
G25     316.6          13.7                8.9 +/-    3.33      22.7 +/-    3.33  0.030 / 0.060