PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-19:57:50
G02     239.7          74.4               15.3 +/-    0.34      15.8 +/-    0.34  0.170 / 0.230
G05     171.7          16.1               20.2 +/-    2.15      48.9 +/-    2.15  0.160 / 0.290
G06     40.9           57.1               14.6 +/-    0.52      17.1 +/-    0.52  0.180 / 0.290
G12     322.3          54.5               13.8 +/-    0.68      16.6 +/-    0.68  0.260 / 0.380
G17     70.4           23.1               12.4 +/-    1.88      25.3 +/-    1.88  0.030 / 0.030
G19     54.7           41.0               13.6 +/-    1.48      19.4 +/-    1.48  0.030 / 0.070
G24     244.3          34.9               17.6 +/-    2.03      28.0 +/-    2.03  0.030 / 0.030
G25     316.6          12.1               11.6 +/-    4.40      30.8 +/-    4.40  0.040 / 0.030