PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-01:27:50
G10     257.6          33.4               13.1 +/-    1.80      21.4 +/-    1.80  0.040 / 0.050
G13     46.9           24.1                8.2 +/-    0.89      16.4 +/-    0.89  0.040 / 0.060
G15     70.8           54.1               10.1 +/-    0.39      12.2 +/-    0.39  0.110 / 0.310
G16     289.5          14.5                9.0 +/-    0.93      22.6 +/-    0.93  0.070 / 0.140
G20     281.2          55.3               12.2 +/-    0.73      14.5 +/-    0.73  0.080 / 0.120
G21     344.6          65.2               -4.0 +/-    0.83      -4.3 +/-    0.83  0.110 / 0.330
G26     262.0          12.3               12.3 +/-    2.10      32.6 +/-    2.10  0.110 / 0.320
G27     322.2          10.4              -15.2 +/-   23.12     -42.1 +/-   23.12  0.060 / 0.180
G29     164.8          40.1               13.3 +/-    1.04      19.4 +/-    1.04  0.060 / 0.180