PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-18:13:10
G10     262.3          35.6               12.7 +/-    0.88      19.9 +/-    0.88  0.130 / 0.500
G13     44.2           21.4               11.4 +/-    2.46      24.2 +/-    2.46  0.120 / 0.430
G15     68.1           54.8               11.8 +/-    0.52      14.1 +/-    0.52  0.200 / 0.300
G16     283.5          13.5                9.5 +/-    1.54      24.5 +/-    1.54  0.240 / 0.310
G20     289.2          58.1               11.9 +/-    1.71      13.7 +/-    1.71  0.040 / 0.040
G21     355.9          69.4               11.7 +/-    0.69      12.4 +/-    0.69  0.040 / 0.040
G24     120.9          12.0               13.7 +/-    2.80      36.6 +/-    2.80  0.100 / 0.240
G27     321.1          13.8                7.8 +/-    1.95      19.9 +/-    1.95  0.100 / 0.280
G29     167.0          36.0               11.1 +/-    0.83      17.2 +/-    0.83  0.250 / 0.250