PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-14:57:40
G03     316.1          46.5                7.8 +/-    0.72      10.3 +/-    0.72  0.050 / 0.070
G11     240.7          13.4                7.8 +/-    1.36      20.0 +/-    1.36  0.040 / 0.080
G14     56.6           43.9                8.2 +/-    1.56      11.3 +/-    1.56  0.140 / 0.250
G18     222.9          29.0                9.6 +/-    2.34      17.1 +/-    2.34  0.150 / 0.180
G22     304.2          68.6                8.1 +/-    0.55       8.6 +/-    0.55  0.040 / 0.040
G25     41.4           11.5                7.5 +/-    2.84      20.2 +/-    2.84  0.030 / 0.040
G26     135.8          37.4               11.8 +/-    1.06      17.9 +/-    1.06  0.260 / 0.280
G31     41.5           58.2                7.8 +/-    0.60       9.0 +/-    0.60  0.210 / 0.210
G32     76.8           22.6                6.6 +/-    1.04      13.7 +/-    1.04  0.050 / 0.070