PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-03:43:10
G02     21.0           64.8                3.7 +/-    1.23       4.1 +/-    1.23  0.390 / 0.430
G05     153.4          50.5                6.0 +/-    0.49       7.5 +/-    0.49  0.250 / 0.500
G06     45.7           30.3                2.3 +/-    1.42       4.1 +/-    1.42  0.030 / 0.020
G12     253.6          78.8                3.4 +/-    0.50       3.5 +/-    0.50  0.030 / 0.020
G19     89.1           17.5                4.3 +/-    1.97      10.1 +/-    1.97  0.060 / 0.060
G24     215.1          10.9                5.7 +/-    4.29      15.5 +/-    4.29  0.080 / 0.060
G25     309.6          45.4                3.9 +/-    1.01       5.2 +/-    1.01  0.030 / 0.040
G29     300.5          23.9                3.9 +/-    1.04       7.8 +/-    1.04  0.030 / 0.030