PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-12:12:30
G02     32.4           55.8                3.7 +/-    1.11       4.3 +/-    1.11  0.030 / 0.020
G05     144.0          61.6                7.3 +/-    0.37       8.2 +/-    0.37  0.030 / 0.030
G06     53.7           16.1                1.8 +/-    2.79       4.4 +/-    2.79  0.040 / 0.040
G12     197.8          67.4                5.3 +/-    0.37       5.7 +/-    0.37  0.040 / 0.030
G19     99.4           11.6                4.3 +/-    1.27      11.7 +/-    1.27  0.090 / 0.100
G25     290.0          58.0                2.2 +/-    1.81       2.6 +/-    1.81  0.100 / 0.110
G29     308.0          29.0                2.2 +/-    0.71       3.9 +/-    0.71  0.030 / 0.020