PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-00:27:50
G01     283.6          41.4                6.3 +/-    0.91       8.9 +/-    0.91  0.050 / 0.070
G03     313.5          20.4                8.0 +/-    1.99      17.4 +/-    1.99  0.040 / 0.090
G10     123.7          23.9                9.5 +/-    0.98      19.0 +/-    0.98  0.080 / 0.080
G11     258.0          23.9                8.6 +/-    1.78      17.2 +/-    1.78  0.060 / 0.080
G14     31.5           55.8                7.2 +/-    0.61       8.5 +/-    0.61  0.040 / 0.060
G18     242.7          44.8                9.1 +/-    1.15      12.2 +/-    1.15  0.040 / 0.070
G22     314.4          42.3                6.8 +/-    1.14       9.6 +/-    1.14  0.070 / 0.150
G25     58.5           17.1                4.5 +/-    0.83      10.6 +/-    0.83  0.060 / 0.160
G31     96.7           80.0                8.8 +/-    0.45       8.9 +/-    0.45  0.110 / 0.230
G32     56.4           37.8                6.5 +/-    0.68       9.8 +/-    0.68  0.080 / 0.230