PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-11:27:50
G01     304.5          35.6                6.4 +/-    2.34      10.0 +/-    2.34  0.040 / 0.030
G10     108.9          36.8                7.2 +/-    0.64      11.1 +/-    0.64  0.050 / 0.030
G11     277.5          27.9                5.4 +/-    0.86       9.9 +/-    0.86  0.070 / 0.110
G14     4.7            65.4                5.9 +/-    0.61       6.5 +/-    0.61  0.080 / 0.090
G18     269.1          51.1               11.6 +/-    3.15      14.5 +/-    3.15  0.060 / 0.060
G20     122.3          11.8                5.2 +/-    1.77      13.9 +/-    1.77  0.050 / 0.050
G22     312.1          33.0                3.7 +/-    1.48       6.2 +/-    1.48  0.040 / 0.050
G25     78.6           16.7                3.4 +/-    2.03       8.1 +/-    2.03  0.040 / 0.050
G31     165.6          67.0                8.4 +/-    0.68       9.1 +/-    0.68  0.070 / 0.110
G32     32.6           55.0                5.4 +/-    1.15       6.5 +/-    1.15  0.080 / 0.110