PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-14:12:30
G02     246.3          74.6                5.6 +/-    0.82       5.8 +/-    0.82  0.100 / 0.180
G05     173.3          16.5                8.7 +/-    1.17      20.9 +/-    1.17  0.090 / 0.150
G06     40.1           54.6                4.7 +/-    0.60       5.6 +/-    0.60  0.040 / 0.050
G12     322.0          57.7                3.0 +/-    0.50       3.5 +/-    0.50  0.040 / 0.040
G17     74.1           19.0                5.4 +/-    0.64      12.1 +/-    0.64  0.090 / 0.120
G19     56.6           40.3                5.7 +/-    0.97       8.2 +/-    0.97  0.100 / 0.130
G24     238.9          32.6                7.9 +/-    1.30      13.0 +/-    1.30  0.040 / 0.040
G25     317.1          17.3                4.0 +/-    2.47       9.4 +/-    2.47  0.040 / 0.050