PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-12:27:40
G02     3.4            72.9                3.0 +/-    0.68       3.1 +/-    0.68  0.180 / 0.220
G05     163.4          40.3                4.2 +/-    1.03       6.1 +/-    1.03  0.170 / 0.220
G06     44.2           32.4                1.7 +/-    1.58       2.8 +/-    1.58  0.040 / 0.020
G12     281.5          79.3                3.9 +/-    0.30       4.0 +/-    0.30  0.030 / 0.020
G19     81.4           24.5                4.6 +/-    2.14       9.1 +/-    2.14  0.080 / 0.070
G24     218.3          15.3                5.3 +/-    2.03      13.0 +/-    2.03  0.060 / 0.090
G25     313.4          41.3                3.6 +/-    0.89       5.1 +/-    0.89  0.090 / 0.110
G29     292.7          14.5                5.2 +/-    1.75      13.2 +/-    1.75  0.080 / 0.150