PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/24-09:42:50
G02     217.2          60.0                5.4 +/-    1.03       6.1 +/-    1.03  0.040 / 0.080
G06     56.7           74.5                4.0 +/-    0.41       4.1 +/-    0.41  0.070 / 0.070
G12     318.7          37.0                3.6 +/-    2.52       5.6 +/-    2.52  0.060 / 0.110
G17     59.5           29.5                3.9 +/-    1.95       6.8 +/-    1.95  0.050 / 0.060
G19     37.0           50.7                4.6 +/-    1.37       5.7 +/-    1.37  0.050 / 0.100
G24     258.2          42.1                6.4 +/-    1.47       9.1 +/-    1.47  0.050 / 0.110
G28     122.7          14.6                5.0 +/-    1.80      12.5 +/-    1.80  0.190 / 0.350