PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/22-14:58:10
G01     297.7          38.7                8.0 +/-    3.30      11.9 +/-    3.30  0.100 / 0.060
G03     310.2          14.6                5.7 +/-    2.89      14.2 +/-    2.89  0.080 / 0.090
G10     115.0          32.1                8.1 +/-    0.82      13.7 +/-    0.82  0.060 / 0.050
G11     269.7          27.1                7.7 +/-    1.07      14.3 +/-    1.07  0.050 / 0.050
G14     17.0           61.6                6.1 +/-    0.80       6.9 +/-    0.80  0.050 / 0.080
G18     255.9          50.1                8.4 +/-    6.87      10.6 +/-    6.87  0.050 / 0.080
G22     313.2          35.7                5.8 +/-    2.18       9.1 +/-    2.18  0.030 / 0.040
G25     70.1           17.4                6.7 +/-    1.33      15.7 +/-    1.33  0.040 / 0.030
G31     162.0          72.6                7.3 +/-    0.79       7.6 +/-    0.79  0.150 / 0.160
G32     42.4           48.7                5.7 +/-    1.44       7.3 +/-    1.44  0.110 / 0.150