PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-10:43:00
G08     290.3          23.6                3.7 +/-    0.49       7.4 +/-    0.49  0.060 / 0.100
G10     14.0           62.8                3.8 +/-    1.23       4.2 +/-    1.23  0.080 / 0.100
G14     231.3          49.1                5.7 +/-    2.70       7.3 +/-    2.70  0.030 / 0.030
G18     317.6          13.9                2.9 +/-    1.67       7.5 +/-    1.67  0.030 / 0.020
G20     68.4           50.9                4.7 +/-    1.06       5.8 +/-    1.06  0.030 / 0.030
G21     147.1          35.5                5.5 +/-    0.84       8.6 +/-    0.84  0.030 / 0.020
G24     53.0           23.3                3.8 +/-    2.39       7.6 +/-    2.39  0.060 / 0.120
G27     254.5          31.0                5.8 +/-    2.11       9.9 +/-    2.11  0.100 / 0.090
G32     245.5          64.7                5.0 +/-    0.56       5.5 +/-    0.56  0.110 / 0.100