PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/11-09:28:10
G05     47.2           20.7                2.1 +/-    2.80       4.6 +/-    2.80  0.260 / 0.210
G13     81.8           35.8                5.8 +/-    0.88       9.1 +/-    0.88  0.190 / 0.180
G15     130.8          49.0                6.1 +/-    0.58       7.8 +/-    0.58  0.060 / 0.090
G20     243.9          33.3                4.2 +/-    1.50       6.9 +/-    1.50  0.070 / 0.080
G21     313.2          47.9                4.1 +/-    1.20       5.3 +/-    1.20  0.060 / 0.050
G25     199.3          13.5                4.2 +/-    1.71      10.9 +/-    1.71  0.050 / 0.050
G26     298.1          18.0                3.0 +/-    1.02       6.9 +/-    1.02  0.030 / 0.040
G29     145.2          73.7                5.9 +/-    0.74       6.2 +/-    0.74  0.030 / 0.040