PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/28-21:57:50
G01     292.8          39.6               12.9 +/-    2.79      18.9 +/-    2.79  0.060 / 0.070
G03     311.3          15.2                7.1 +/-    1.30      17.6 +/-    1.30  0.050 / 0.070
G10     118.4          30.6                9.8 +/-    1.07      16.9 +/-    1.07  0.060 / 0.070
G11     267.0          26.8                8.9 +/-    1.20      16.6 +/-    1.20  0.060 / 0.090
G14     22.6           59.4                8.8 +/-    0.73      10.0 +/-    0.73  0.070 / 0.170
G22     313.3          36.1                8.1 +/-    1.24      12.6 +/-    1.24  0.080 / 0.140
G25     67.8           18.7                8.3 +/-    1.12      19.0 +/-    1.12  0.020 / 0.020
G26     159.6          10.8               -3.3 +/-   41.51      -8.9 +/-   41.51  0.020 / 0.020
G31     150.6          77.2               10.4 +/-    0.74      10.6 +/-    0.74  0.040 / 0.040
G32     48.4           44.3                8.3 +/-    1.02      11.3 +/-    1.02  0.040 / 0.040