PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-22:58:00
G01     283.8          41.1                9.1 +/-    0.84      12.9 +/-    0.84  0.040 / 0.090
G03     313.4          20.4                8.0 +/-    1.75      17.5 +/-    1.75  0.050 / 0.070
G10     123.6          25.3                9.9 +/-    1.59      19.2 +/-    1.59  0.050 / 0.120
G11     259.4          24.8               10.0 +/-    1.75      19.7 +/-    1.75  0.060 / 0.100
G14     32.6           55.2                7.1 +/-    0.82       8.4 +/-    0.82  0.050 / 0.070
G22     314.3          42.0                6.7 +/-    1.92       9.5 +/-    1.92  0.070 / 0.080
G25     60.6           18.3                6.3 +/-    0.56      14.5 +/-    0.56  0.030 / 0.030
G26     156.4          15.8               12.6 +/-    1.17      30.8 +/-    1.17  0.030 / 0.030
G31     117.6          81.4                8.9 +/-    0.82       9.0 +/-    0.82  0.040 / 0.060
G32     54.5           40.1                7.1 +/-    0.35      10.3 +/-    0.35  0.040 / 0.070