PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-03:13:10
G02     357.6          75.8                4.3 +/-    0.54       4.4 +/-    0.54  0.280 / 0.200
G05     162.1          36.9                6.3 +/-    0.94       9.7 +/-    0.94  0.140 / 0.220
G06     40.6           42.2                3.0 +/-    0.88       4.2 +/-    0.88  0.030 / 0.030
G12     308.6          71.1                3.4 +/-    0.39       3.6 +/-    0.39  0.030 / 0.040
G19     77.2           25.6                4.1 +/-    1.09       8.0 +/-    1.09  0.080 / 0.110
G24     224.3          20.1                6.1 +/-    3.19      13.3 +/-    3.19  0.080 / 0.160
G25     316.2          33.3                3.2 +/-    1.65       5.2 +/-    1.65  0.040 / 0.060
G29     290.3          15.3                3.5 +/-    2.65       8.6 +/-    2.65  0.050 / 0.070