PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-00:58:10
G10     271.1          41.6               11.4 +/-    0.94      16.2 +/-    0.94  0.160 / 0.230
G13     40.1           14.8                6.7 +/-    3.41      16.7 +/-    3.41  0.270 / 0.220
G15     55.5           45.6                8.4 +/-    1.15      11.2 +/-    1.15  0.080 / 0.070
G16     276.9          11.3                8.7 +/-    2.10      23.5 +/-    2.10  0.100 / 0.070
G20     303.8          61.3               10.5 +/-    0.83      11.8 +/-    0.83  0.040 / 0.040
G21     10.5           73.4                9.9 +/-    0.54      10.3 +/-    0.54  0.040 / 0.030
G24     118.3          16.1               19.3 +/-    2.00      46.8 +/-    2.00  0.130 / 0.330
G27     317.6          20.7                7.9 +/-    2.47      17.2 +/-    2.47  0.150 / 0.400
G29     167.0          27.0               11.4 +/-    1.26      21.4 +/-    1.26  0.040 / 0.060