PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-08:42:50
G02     203.0          36.6                5.9 +/-    1.65       9.1 +/-    1.65  0.110 / 0.190
G06     155.0          70.3                5.7 +/-    0.59       6.1 +/-    0.59  0.090 / 0.160
G12     308.3          19.0                3.3 +/-    1.58       7.4 +/-    1.58  0.060 / 0.090
G17     36.6           48.5                3.9 +/-    0.33       5.0 +/-    0.33  0.050 / 0.070
G19     7.8            63.7                3.9 +/-    0.36       4.3 +/-    0.36  0.040 / 0.040
G24     297.8          37.3                5.1 +/-    0.86       7.8 +/-    0.86  0.040 / 0.040
G28     98.8           37.8                6.9 +/-    0.69      10.4 +/-    0.69  0.040 / 0.130