PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-03:13:10
G02     24.4           62.2                5.4 +/-    0.52       6.0 +/-    0.52  0.020 / 0.020
G05     150.3          53.6               10.2 +/-    0.57      12.3 +/-    0.57  0.030 / 0.030
G06     47.2           27.2                3.0 +/-    2.14       5.6 +/-    2.14  0.060 / 0.070
G12     236.6          77.9                6.7 +/-    0.51       6.8 +/-    0.51  0.050 / 0.070
G19     91.7           15.5                6.1 +/-    2.30      15.0 +/-    2.30  0.120 / 0.180
G25     307.2          47.7                6.1 +/-    1.46       7.9 +/-    1.46  0.200 / 0.200
G29     302.7          25.9                5.8 +/-    2.01      11.2 +/-    2.01  0.030 / 0.040