PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-00:28:00
G10     256.5          32.6               11.2 +/-    2.72      18.5 +/-    2.72  0.080 / 0.110
G13     47.8           24.9                9.0 +/-    1.65      17.7 +/-    1.65  0.060 / 0.100
G15     73.1           54.9               10.3 +/-    0.75      12.3 +/-    0.75  0.040 / 0.050
G16     290.3          14.8                5.8 +/-    1.67      14.6 +/-    1.67  0.040 / 0.040
G20     279.2          54.5               10.5 +/-    3.11      12.6 +/-    3.11  0.100 / 0.170
G21     342.4          64.2               10.2 +/-    0.55      11.2 +/-    0.55  0.080 / 0.190
G26     262.8          12.8                9.6 +/-    2.62      25.1 +/-    2.62  0.030 / 0.030
G29     164.7          41.8               11.5 +/-    0.82      16.2 +/-    0.82  0.030 / 0.030