PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-15:58:00
G02     21.1           63.5                8.8 +/-    1.09       9.7 +/-    1.09  0.270 / 0.230
G05     153.2          53.6               12.6 +/-    0.77      15.2 +/-    0.77  0.130 / 0.210
G06     49.4           21.1                7.5 +/-    2.71      16.0 +/-    2.71  0.040 / 0.040
G12     214.3          76.4                9.2 +/-    0.90       9.5 +/-    0.90  0.040 / 0.040
G19     93.6           12.7                8.0 +/-    1.83      20.9 +/-    1.83  0.090 / 0.190
G25     307.2          46.5                8.5 +/-    0.83      11.2 +/-    0.83  0.130 / 0.240
G29     300.9          21.7                8.9 +/-    2.38      18.9 +/-    2.38  0.050 / 0.060