PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/08-23:57:50
G03     259.8          70.0                6.1 +/-    0.51       6.5 +/-    0.51  0.030 / 0.040
G09     301.1          17.3                7.0 +/-    2.36      16.5 +/-    2.36  0.030 / 0.040
G14     93.1           21.7                5.4 +/-    1.44      11.4 +/-    1.44  0.120 / 0.230
G16     131.5          54.4                8.9 +/-    0.67      10.7 +/-    0.67  0.130 / 0.220
G22     203.7          61.6                7.4 +/-    1.06       8.3 +/-    1.06  0.050 / 0.050
G23     315.2          45.1                6.9 +/-    0.72       9.3 +/-    0.72  0.040 / 0.050
G26     77.9           53.3                5.5 +/-    0.71       6.7 +/-    0.71  0.030 / 0.030
G31     50.0           23.1                3.6 +/-    2.80       7.4 +/-    2.80  0.040 / 0.030