PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-17:12:30
G10     257.1          32.1               14.1 +/-    2.29      23.7 +/-    2.29  0.040 / 0.040
G13     47.6           25.1               10.1 +/-    0.94      19.8 +/-    0.94  0.040 / 0.040
G15     76.5           57.1               10.1 +/-    0.28      11.8 +/-    0.28  0.150 / 0.460
G16     289.0          14.6                8.3 +/-    1.94      20.9 +/-    1.94  0.130 / 0.390
G20     280.4          55.3               12.1 +/-    1.10      14.4 +/-    1.10  0.060 / 0.170
G21     347.0          66.2                9.9 +/-    0.67      10.7 +/-    0.67  0.060 / 0.160
G26     262.6          12.5               11.2 +/-    3.90      29.5 +/-    3.90  0.030 / 0.040
G29     165.8          41.5               13.0 +/-    0.94      18.5 +/-    0.94  0.030 / 0.030