PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-01:57:40
G10     265.7          38.6               10.6 +/-    1.55      15.8 +/-    1.55  0.040 / 0.050
G13     42.2           18.5                6.7 +/-    1.00      15.3 +/-    1.00  0.040 / 0.050
G15     60.0           49.0                7.9 +/-    0.62      10.1 +/-    0.62  0.120 / 0.160
G16     281.9          12.7                8.6 +/-    1.47      22.5 +/-    1.47  0.090 / 0.190
G20     294.8          59.4                9.4 +/-    0.75      10.7 +/-    0.75  0.060 / 0.070
G21     359.4          70.6                8.8 +/-    0.74       9.3 +/-    0.74  0.070 / 0.070
G24     122.0          13.3                8.9 +/-    2.17      23.0 +/-    2.17  0.120 / 0.400
G27     319.8          16.8                4.8 +/-    2.74      11.4 +/-    2.74  0.130 / 0.360
G29     166.2          31.4               10.9 +/-    2.51      18.6 +/-    2.51  0.080 / 0.260