PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-02:57:50
G10     295.6          51.2               11.3 +/-    0.91      14.1 +/-    0.91  0.060 / 0.080
G15     46.6           31.0                7.4 +/-    0.74      12.8 +/-    0.74  0.060 / 0.090
G20     328.7          63.4               12.3 +/-    0.74      13.6 +/-    0.74  0.040 / 0.050
G21     90.2           75.5               10.9 +/-    0.52      11.2 +/-    0.52  0.040 / 0.040
G24     97.7           26.0                9.0 +/-    1.00      17.3 +/-    1.00  0.060 / 0.050
G27     301.7          33.7               11.0 +/-    1.62      17.9 +/-    1.62  0.040 / 0.040
G32     209.8          32.6               12.9 +/-    0.84      21.3 +/-    0.84  0.090 / 0.140