PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-12:13:10
G02     37.9           51.2                5.0 +/-    0.99       6.2 +/-    0.99  0.030 / 0.030
G05     132.2          66.5                6.9 +/-    0.55       7.5 +/-    0.55  0.040 / 0.030
G06     57.0           11.8                2.0 +/-    1.95       5.4 +/-    1.95  0.030 / 0.040
G12     192.7          60.9                7.8 +/-    1.00       8.8 +/-    1.00  0.030 / 0.030
G25     277.7          60.3                2.2 +/-    2.27       2.5 +/-    2.27  0.030 / 0.020
G29     312.2          33.5                3.8 +/-    1.07       6.2 +/-    1.07  0.040 / 0.020