PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-22:42:50
G01     280.4          41.3               13.4 +/-    0.64      19.1 +/-    0.64  0.040 / 0.050
G03     314.2          22.6                8.6 +/-    3.02      17.9 +/-    3.02  0.050 / 0.050
G10     125.3          23.3               11.5 +/-    1.38      23.5 +/-    1.38  0.050 / 0.060
G11     257.1          23.8               10.1 +/-    0.96      20.2 +/-    0.96  0.050 / 0.050
G14     35.7           53.7                8.8 +/-    2.03      10.6 +/-    2.03  0.070 / 0.150
G22     314.4          44.3                8.4 +/-    0.84      11.4 +/-    0.84  0.060 / 0.130
G25     58.2           18.0                7.5 +/-    2.66      17.4 +/-    2.66  0.020 / 0.020
G26     154.7          17.9               12.7 +/-    2.22      29.4 +/-    2.22  0.020 / 0.020
G31     96.4           81.4               10.2 +/-    0.55      10.3 +/-    0.55  0.040 / 0.040
G32     57.0           38.3                7.9 +/-    0.64      11.8 +/-    0.64  0.040 / 0.040