PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-15:43:00
G10     253.7          29.7                8.5 +/-    2.14      15.0 +/-    2.14  0.120 / 0.500
G13     50.3           27.4                5.6 +/-    2.10      10.4 +/-    2.10  0.130 / 0.480
G15     82.2           57.8                9.1 +/-    0.51      10.6 +/-    0.51  0.040 / 0.030
G16     293.2          14.9                4.4 +/-    1.67      10.9 +/-    1.67  0.040 / 0.040
G20     275.0          53.1                9.5 +/-    3.67      11.6 +/-    3.67  0.040 / 0.050
G21     342.9          64.2                7.6 +/-    0.89       8.4 +/-    0.89  0.040 / 0.050
G26     266.6          14.0                4.8 +/-    2.10      12.1 +/-    2.10  0.090 / 0.190
G29     164.6          45.0                9.6 +/-    0.75      12.9 +/-    0.75  0.110 / 0.180