PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-03:43:10
G02     319.8          81.2                4.0 +/-    0.62       4.0 +/-    0.62  0.080 / 0.190
G05     166.1          28.3                7.0 +/-    0.93      12.7 +/-    0.93  0.080 / 0.170
G06     38.5           51.2                3.5 +/-    0.77       4.4 +/-    0.77  0.030 / 0.050
G12     318.0          62.6                5.0 +/-    0.83       5.5 +/-    0.83  0.030 / 0.040
G17     82.0           13.0                4.5 +/-    1.80      11.6 +/-    1.80  0.050 / 0.110
G19     69.1           30.9                4.3 +/-    0.73       7.4 +/-    0.73  0.040 / 0.110
G24     230.6          26.0                8.3 +/-    1.57      15.8 +/-    1.57  0.090 / 0.150
G25     317.4          25.8                2.8 +/-    2.73       5.3 +/-    2.73  0.090 / 0.160