PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-11:58:10
G08     288.9          23.7                4.7 +/-    1.61       9.4 +/-    1.61  0.030 / 0.030
G10     16.2           62.8                3.8 +/-    0.73       4.2 +/-    0.73  0.040 / 0.030
G14     232.4          50.1                6.5 +/-    0.92       8.1 +/-    0.92  0.070 / 0.070
G18     317.5          15.3                2.0 +/-    2.02       5.1 +/-    2.02  0.050 / 0.070
G20     69.9           50.3                4.0 +/-    0.38       5.0 +/-    0.38  0.070 / 0.110
G21     147.3          33.5                5.7 +/-    1.10       9.3 +/-    1.10  0.070 / 0.110
G24     51.8           22.5                3.0 +/-    0.80       6.3 +/-    0.80  0.130 / 0.190
G27     253.7          30.4                5.5 +/-    1.03       9.5 +/-    1.03  0.090 / 0.170
G32     248.2          66.3                4.8 +/-    0.46       5.1 +/-    0.46  0.050 / 0.100