PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-21:57:40
G01     317.4          21.3                6.9 +/-    4.44      14.7 +/-    4.44  0.130 / 0.280
G08     253.1          11.0                8.5 +/-    2.16      23.2 +/-    2.16  0.130 / 0.320
G10     85.4           51.6                8.1 +/-    0.60      10.0 +/-    0.60  0.040 / 0.060
G11     299.1          25.2                8.2 +/-    1.42      16.0 +/-    1.42  0.040 / 0.060
G14     313.1          71.3                7.5 +/-    0.61       7.9 +/-    0.61  0.130 / 0.260
G18     105.6          25.2                9.9 +/-    1.86      19.2 +/-    1.86  0.140 / 0.360
G22     302.3          12.6                7.7 +/-    2.71      20.3 +/-    2.71  0.130 / 0.300
G25     96.5           10.3              -13.1 +/-   32.02     -36.4 +/-   32.02  0.110 / 0.210
G31     178.3          43.7               12.1 +/-    0.72      16.6 +/-    0.72  0.030 / 0.030
G32     10.7           65.7                7.8 +/-    0.46       8.5 +/-    0.46  0.030 / 0.030