PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-05:12:50
G08     269.7          18.3                5.4 +/-    1.47      12.3 +/-    1.47  0.120 / 0.230
G10     62.2           57.3                3.8 +/-    0.96       4.4 +/-    0.96  0.370 / 0.210
G14     265.1          66.1                4.9 +/-    0.88       5.3 +/-    0.88  0.030 / 0.030
G18     312.5          32.6                2.9 +/-    1.02       4.8 +/-    1.02  0.030 / 0.030
G20     95.1           37.0                4.5 +/-    1.11       6.9 +/-    1.11  0.150 / 0.310
G21     155.1          16.1                3.9 +/-    1.24       9.5 +/-    1.24  0.160 / 0.370
G24     40.0           10.1                2.0 +/-    1.23       5.6 +/-    1.23  0.070 / 0.050
G27     232.8          16.7                5.7 +/-    1.98      13.6 +/-    1.98  0.060 / 0.050
G31     177.5          30.7                4.7 +/-    1.95       8.1 +/-    1.95  0.080 / 0.200
G32     328.4          74.7                4.9 +/-    0.67       5.1 +/-    0.67  0.180 / 0.220