PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-02:12:30
G10     292.6          50.9               14.5 +/-    1.05      18.1 +/-    1.05  0.040 / 0.040
G15     46.8           31.0                9.9 +/-    0.67      17.0 +/-    0.67  0.050 / 0.050
G20     341.9          65.2               12.6 +/-    0.72      13.8 +/-    0.72  0.050 / 0.050
G21     79.4           76.3               15.7 +/-    0.79      16.1 +/-    0.79  0.060 / 0.050
G24     102.5          24.9               21.0 +/-    1.43      41.2 +/-    1.43  0.050 / 0.100
G27     305.6          31.8               11.4 +/-    1.58      19.2 +/-    1.58  0.060 / 0.100
G29     167.3          10.3               13.6 +/-    1.10      37.6 +/-    1.10  0.040 / 0.110
G32     209.0          26.1               16.1 +/-    2.57      30.7 +/-    2.57  0.050 / 0.090