PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-21:42:30
G02     38.6           50.2                9.8 +/-    0.59      12.4 +/-    0.59  0.040 / 0.060
G05     122.3          67.1               11.3 +/-    0.61      12.1 +/-    0.61  0.040 / 0.050
G06     57.2           11.0                8.9 +/-    1.66      24.2 +/-    1.66  0.050 / 0.070
G12     195.1          62.0               11.9 +/-    0.85      13.3 +/-    0.85  0.050 / 0.070
G25     286.1          56.6               10.0 +/-    1.03      11.8 +/-    1.03  0.040 / 0.040
G29     312.7          34.4               10.1 +/-    1.42      16.2 +/-    1.42  0.050 / 0.050