PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/05-17:57:50
G08     316.4          14.7                8.3 +/-    3.06      20.8 +/-    3.06  0.050 / 0.070
G10     314.7          56.4               12.3 +/-    1.49      14.5 +/-    1.49  0.050 / 0.060
G14     214.1          22.8               16.5 +/-    2.15      33.9 +/-    2.15  0.090 / 0.080
G15     45.6           17.0                9.8 +/-    1.52      23.2 +/-    1.52  0.100 / 0.090
G18     26.1           62.1               13.6 +/-    1.53      15.2 +/-    1.53  0.150 / 0.250
G20     79.0           12.6               11.8 +/-    1.67      30.9 +/-    1.67  0.170 / 0.230
G21     124.6          60.0               17.5 +/-    0.38      19.9 +/-    0.38  0.070 / 0.060
G24     85.8           29.9               14.6 +/-    1.22      25.5 +/-    1.22  0.080 / 0.070
G27     284.9          37.9               14.4 +/-    2.72      21.6 +/-    2.72  0.040 / 0.040
G32     217.0          42.3               16.6 +/-    0.76      23.3 +/-    0.76  0.050 / 0.030