PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-11:43:10
G02     39.2           50.0                4.8 +/-    1.30       6.1 +/-    1.30  0.040 / 0.040
G05     128.2          67.3                7.5 +/-    0.46       8.1 +/-    0.46  0.050 / 0.030
G06     57.6           11.2                3.7 +/-    2.06      10.0 +/-    2.06  0.050 / 0.040
G12     192.4          59.8                8.8 +/-    0.37      10.0 +/-    0.37  0.040 / 0.040
G25     274.1          60.8               10.4 +/-    0.73      11.7 +/-    0.73  0.040 / 0.030
G29     313.1          34.7                2.9 +/-    0.70       4.6 +/-    0.70  0.030 / 0.020