PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-10:28:00
G02     356.1          76.3                3.4 +/-    0.58       3.4 +/-    0.58  0.070 / 0.100
G05     166.5          32.8                6.2 +/-    2.15      10.3 +/-    2.15  0.060 / 0.090
G06     41.6           38.0                3.0 +/-    0.82       4.5 +/-    0.82  0.020 / 0.030
G12     306.3          76.4                3.8 +/-    0.95       3.9 +/-    0.95  0.020 / 0.030
G17     86.8           10.1                3.8 +/-    1.76      10.5 +/-    1.76  0.090 / 0.120
G19     77.0           24.1                5.7 +/-    0.80      11.3 +/-    0.80  0.060 / 0.110
G24     228.5          21.8                5.5 +/-    2.11      11.7 +/-    2.11  0.030 / 0.030
G25     316.6          29.9                3.5 +/-    3.34       6.1 +/-    3.34  0.030 / 0.030