PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-04:42:30
G02     33.0           55.2                3.6 +/-    0.67       4.3 +/-    0.67  0.050 / 0.050
G05     139.3          61.5                4.5 +/-    0.95       5.1 +/-    0.95  0.040 / 0.060
G06     51.3           21.3                0.5 +/-    1.06       1.0 +/-    1.06  0.030 / 0.040
G12     206.9          71.0                4.6 +/-    0.39       4.8 +/-    0.39  0.020 / 0.040
G19     98.7           10.5                3.8 +/-    2.28      10.5 +/-    2.28  0.030 / 0.040
G25     296.3          54.6                4.3 +/-    1.12       5.2 +/-    1.12  0.030 / 0.040
G29     309.1          31.8                3.0 +/-    1.07       5.0 +/-    1.07  0.060 / 0.110