PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-09:42:50
G10     284.3          47.5                5.0 +/-    1.22       6.5 +/-    1.22  0.040 / 0.050
G15     48.6           36.0                2.9 +/-    0.67       4.5 +/-    0.67  0.040 / 0.060
G20     329.3          64.8                3.7 +/-    0.61       4.1 +/-    0.61  0.090 / 0.120
G21     69.8           75.3                5.8 +/-    0.43       5.9 +/-    0.43  0.100 / 0.120
G24     105.7          22.1                5.6 +/-    1.04      11.8 +/-    1.04  0.070 / 0.220
G27     311.4          27.4                3.0 +/-    1.45       5.6 +/-    1.45  0.080 / 0.200
G29     165.9          12.4                3.5 +/-    2.09       9.2 +/-    2.09  0.050 / 0.050
G32     207.9          18.7                3.8 +/-    1.36       8.7 +/-    1.36  0.040 / 0.050