PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-15:57:40
G01     315.8          24.1                5.7 +/-    1.64      11.5 +/-    1.64  0.190 / 0.230
G10     90.8           49.0                6.9 +/-    1.07       8.8 +/-    1.07  0.230 / 0.160
G11     298.0          24.6                4.8 +/-    1.88       9.4 +/-    1.88  0.130 / 0.250
G14     318.0          70.6                6.1 +/-    0.70       6.4 +/-    0.70  0.140 / 0.160
G22     304.7          17.2                5.7 +/-    2.61      13.5 +/-    2.61  0.040 / 0.040
G25     94.9           12.0               10.5 +/-    1.02      28.0 +/-    1.02  0.030 / 0.070
G31     173.4          51.2                8.8 +/-    0.58      10.9 +/-    0.58  0.050 / 0.040
G32     21.5           61.3                6.3 +/-    0.54       7.1 +/-    0.54  0.030 / 0.050