PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-17:42:50
G01     261.2          38.9               10.2 +/-    2.56      15.0 +/-    2.56  0.050 / 0.060
G03     316.7          38.8                7.1 +/-    0.69      10.6 +/-    0.69  0.050 / 0.050
G10     133.7          11.4               11.5 +/-    3.01      31.1 +/-    3.01  0.020 / 0.030
G11     246.6          17.0               10.1 +/-    1.21      23.9 +/-    1.21  0.020 / 0.030
G14     50.4           46.8                7.9 +/-    1.10      10.3 +/-    1.10  0.190 / 0.220
G22     311.5          59.8                9.0 +/-    0.88      10.3 +/-    0.88  0.150 / 0.190
G25     46.5           14.6                5.8 +/-    4.43      14.7 +/-    4.43  0.040 / 0.060
G26     142.6          31.3               11.1 +/-    0.97      19.0 +/-    0.97  0.050 / 0.070
G31     44.8           66.4                8.2 +/-    0.48       8.9 +/-    0.48  0.060 / 0.090
G32     70.8           27.4                6.8 +/-    0.94      12.6 +/-    0.94  0.060 / 0.070