PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-02:12:50
G01     259.1          38.6                7.5 +/-    1.86      11.1 +/-    1.86  0.050 / 0.080
G03     316.5          36.2                4.5 +/-    0.82       7.0 +/-    0.82  0.050 / 0.080
G11     241.6          15.5                9.1 +/-    2.00      22.5 +/-    2.00  0.050 / 0.040
G14     52.6           45.3                5.4 +/-    1.40       7.3 +/-    1.40  0.060 / 0.040
G18     224.6          32.3                7.7 +/-    1.67      12.8 +/-    1.67  0.040 / 0.060
G22     310.8          59.1                5.9 +/-    0.98       6.7 +/-    0.98  0.050 / 0.080
G25     43.1           11.8                3.8 +/-    2.23      10.2 +/-    2.23  0.140 / 0.350
G26     141.2          32.7              -29.7 +/-   19.04     -49.2 +/-   19.04  0.170 / 0.310
G31     44.1           65.0                3.6 +/-    0.47       4.0 +/-    0.47  0.110 / 0.180
G32     72.1           26.2                4.5 +/-    1.35       8.6 +/-    1.35  0.170 / 0.220