PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-15:12:50
G01     238.8          28.6                8.0 +/-    1.00      14.4 +/-    1.00  0.080 / 0.130
G03     310.4          58.3                5.6 +/-    1.36       6.4 +/-    1.36  0.150 / 0.140
G14     71.9           33.2                6.5 +/-    3.38      10.6 +/-    3.38  0.040 / 0.050
G16     162.1          25.3                9.6 +/-    2.01      18.6 +/-    2.01  0.040 / 0.050
G18     210.4          17.4                8.2 +/-    2.06      19.3 +/-    2.06  0.130 / 0.190
G22     265.9          76.7                7.7 +/-    0.69       7.9 +/-    0.69  0.130 / 0.160
G23     294.8          25.7                6.3 +/-    1.86      12.1 +/-    1.86  0.110 / 0.160
G26     130.1          45.9                8.8 +/-    0.76      11.8 +/-    0.76  0.110 / 0.160
G31     40.5           49.3                5.6 +/-    0.55       7.1 +/-    0.55  0.030 / 0.030
G32     84.7           19.6                7.2 +/-    1.89      16.0 +/-    1.89  0.030 / 0.030