PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/28-23:58:00
G01     230.2          20.7                8.1 +/-    2.46      17.6 +/-    2.46  0.040 / 0.030
G03     298.7          63.5                6.9 +/-    0.64       7.6 +/-    0.64  0.030 / 0.030
G14     82.4           26.8                4.9 +/-    1.07       9.2 +/-    1.07  0.190 / 0.290
G16     156.0          37.4                9.4 +/-    0.49      14.3 +/-    0.49  0.120 / 0.280
G22     235.6          74.2                7.2 +/-    0.41       7.5 +/-    0.41  0.050 / 0.080
G23     302.9          32.8                4.5 +/-    1.28       7.5 +/-    1.28  0.060 / 0.080
G26     111.7          53.1                7.7 +/-    0.52       9.3 +/-    0.52  0.050 / 0.060
G31     42.4           39.5                5.2 +/-    0.95       7.6 +/-    0.95  0.060 / 0.070
G32     95.0           10.4                7.8 +/-    2.02      21.6 +/-    2.02  0.060 / 0.160