PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-23:57:50
G01     46.7           22.8                7.0 +/-    2.68      14.4 +/-    2.68  0.170 / 0.200
G06     180.0          24.9               10.0 +/-    1.93      19.5 +/-    1.93  0.190 / 0.250
G11     43.5           10.6                7.5 +/-    1.43      20.5 +/-    1.43  0.040 / 0.030
G13     245.7          28.6                8.8 +/-    2.11      15.9 +/-    2.11  0.050 / 0.040
G15     279.3          15.0                6.3 +/-    2.17      15.6 +/-    2.17  0.080 / 0.150
G17     341.6          76.7                8.5 +/-    1.17       8.7 +/-    1.17  0.120 / 0.150
G19     252.6          62.7               10.0 +/-    1.02      11.1 +/-    1.02  0.050 / 0.050
G24     318.1          13.0                4.9 +/-    7.18      12.7 +/-    7.18  0.050 / 0.050
G28     53.5           53.7                8.7 +/-    1.27      10.5 +/-    1.27  0.110 / 0.210
G30     151.4          37.0                9.8 +/-    1.27      15.0 +/-    1.27  0.130 / 0.200