PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-12:43:00
G01     315.3          25.7                3.5 +/-    1.70       6.7 +/-    1.70  0.160 / 0.150
G10     92.9           46.8                3.3 +/-    1.05       4.4 +/-    1.05  0.150 / 0.190
G11     293.2          26.8                4.8 +/-    1.63       8.9 +/-    1.63  0.040 / 0.030
G14     328.7          71.1                3.1 +/-    0.96       3.3 +/-    0.96  0.050 / 0.040
G18     291.7          48.3                6.2 +/-    4.97       8.1 +/-    4.97  0.090 / 0.190
G20     112.7          22.3                4.9 +/-    1.23      10.1 +/-    1.23  0.080 / 0.170
G22     306.1          20.0                1.1 +/-    2.17       2.4 +/-    2.17  0.030 / 0.020
G25     91.6           12.0                6.0 +/-    1.23      16.1 +/-    1.23  0.040 / 0.020
G31     175.6          50.1                6.2 +/-    0.84       7.8 +/-    0.84  0.090 / 0.190
G32     14.3           64.0                2.9 +/-    0.74       3.1 +/-    0.74  0.160 / 0.190