PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/15-00:58:00
G01     259.8          38.9               10.6 +/-    1.33      15.8 +/-    1.33  0.040 / 0.060
G03     316.5          35.7                7.5 +/-    1.06      11.8 +/-    1.06  0.040 / 0.050
G11     242.0          15.7                8.5 +/-    0.92      20.7 +/-    0.92  0.080 / 0.100
G14     52.3           45.4                6.4 +/-    0.51       8.6 +/-    0.51  0.080 / 0.090
G18     224.6          32.6               11.7 +/-    1.98      19.4 +/-    1.98  0.040 / 0.080
G22     311.2          58.4                7.6 +/-    1.47       8.8 +/-    1.47  0.040 / 0.080
G25     43.1           11.7                5.0 +/-    1.27      13.4 +/-    1.27  0.160 / 0.300
G26     142.2          32.0              -32.4 +/-   18.04     -54.5 +/-   18.04  0.160 / 0.290
G31     44.7           66.4                6.6 +/-    0.33       7.1 +/-    0.33  0.090 / 0.390
G32     71.4           26.8                6.3 +/-    0.75      11.7 +/-    0.75  0.100 / 0.310