PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/14-00:12:30
G10     257.1          33.1               12.0 +/-    2.80      19.8 +/-    2.80  0.060 / 0.130
G13     47.3           24.5                9.8 +/-    2.19      19.4 +/-    2.19  0.090 / 0.130
G15     72.1           54.7               10.8 +/-    0.78      12.9 +/-    0.78  0.040 / 0.040
G16     289.6          14.8                6.6 +/-    3.40      16.4 +/-    3.40  0.040 / 0.050
G20     280.1          54.8               10.9 +/-    3.01      13.0 +/-    3.01  0.090 / 0.200
G21     343.2          64.6               11.6 +/-    0.62      12.7 +/-    0.62  0.070 / 0.220
G26     262.2          12.5               11.4 +/-    2.59      30.1 +/-    2.59  0.040 / 0.030
G29     164.9          41.3               13.2 +/-    0.94      18.8 +/-    0.94  0.040 / 0.040