PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-18:28:00
G01     239.0          27.9               10.4 +/-    1.61      19.1 +/-    1.61  0.050 / 0.130
G03     309.6          58.1                8.7 +/-    0.61      10.1 +/-    0.61  0.060 / 0.120
G14     71.6           34.7                9.1 +/-    0.80      14.6 +/-    0.80  0.040 / 0.040
G16     158.0          29.2               13.6 +/-    1.52      24.2 +/-    1.52  0.040 / 0.040
G22     271.9          75.6               10.3 +/-    0.60      10.6 +/-    0.60  0.040 / 0.070
G23     296.2          27.8                6.2 +/-    2.34      11.4 +/-    2.34  0.040 / 0.060
G26     122.5          47.3               11.5 +/-    1.14      15.1 +/-    1.14  0.090 / 0.150
G31     40.9           46.0                7.8 +/-    0.61      10.4 +/-    0.61  0.090 / 0.180
G32     87.6           15.0                8.9 +/-    2.00      22.1 +/-    2.00  0.040 / 0.050