PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/10-15:27:50
G01     307.1          33.8                5.4 +/-    1.40       8.8 +/-    1.40  0.060 / 0.060
G10     106.3          38.9                6.9 +/-    0.72      10.2 +/-    0.72  0.040 / 0.040
G11     280.0          28.3                5.6 +/-    1.79      10.2 +/-    1.79  0.090 / 0.120
G14     359.7          66.6                5.4 +/-    0.50       5.8 +/-    0.50  0.110 / 0.140
G18     271.1          51.8               12.5 +/-    2.59      15.4 +/-    2.59  0.060 / 0.090
G20     120.7          13.7                6.9 +/-    1.34      17.7 +/-    1.34  0.070 / 0.100
G22     310.4          27.5                5.4 +/-    1.41      10.0 +/-    1.41  0.040 / 0.050
G25     78.9           15.7                6.9 +/-    3.17      16.7 +/-    3.17  0.030 / 0.040
G31     173.0          62.0                8.2 +/-    0.41       9.2 +/-    0.41  0.040 / 0.060
G32     32.9           54.7                5.6 +/-    0.87       6.6 +/-    0.87  0.050 / 0.050