PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/17-04:43:00
G01     307.4          34.1                6.5 +/-    1.63      10.4 +/-    1.63  0.070 / 0.120
G10     105.3          39.0                7.2 +/-    0.63      10.6 +/-    0.63  0.080 / 0.080
G11     282.9          27.4                5.3 +/-    1.15       9.9 +/-    1.15  0.090 / 0.140
G14     353.1          67.7                5.8 +/-    0.56       6.3 +/-    0.56  0.080 / 0.160
G18     277.4          50.3               10.5 +/-    0.98      13.2 +/-    0.98  0.070 / 0.070
G20     120.1          15.0                4.7 +/-    3.38      11.7 +/-    3.38  0.060 / 0.080
G22     309.8          25.1                6.7 +/-    0.94      13.0 +/-    0.94  0.030 / 0.040
G25     84.1           16.0                2.7 +/-    2.45       6.6 +/-    2.45  0.040 / 0.050
G31     164.1          64.9                7.9 +/-    0.50       8.6 +/-    0.50  0.060 / 0.070
G32     33.5           54.3                5.8 +/-    1.73       6.9 +/-    1.73  0.080 / 0.070