PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/01-01:42:50
G02     200.3          23.4                7.2 +/-    3.20      14.5 +/-    3.20  0.080 / 0.110
G06     176.2          51.4                6.1 +/-    1.19       7.6 +/-    1.19  0.090 / 0.100
G13     225.0          11.9                5.7 +/-    1.14      15.3 +/-    1.14  0.130 / 0.510
G17     26.7           56.5                4.0 +/-    1.00       4.6 +/-    1.00  0.150 / 0.460
G19     327.2          70.7                3.8 +/-    1.14       4.0 +/-    1.14  0.060 / 0.080
G24     307.0          33.0                3.3 +/-    2.03       5.5 +/-    2.03  0.050 / 0.060
G28     87.8           41.3                4.2 +/-    0.65       6.0 +/-    0.65  0.030 / 0.020
G30     157.3          12.7                5.0 +/-    0.82      13.1 +/-    0.82  0.040 / 0.030