PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-01:28:10
G02     223.9          68.5               10.0 +/-    0.67      10.6 +/-    0.67  0.090 / 0.060
G06     47.1           72.4                8.0 +/-    0.43       8.3 +/-    0.43  0.060 / 0.080
G12     319.5          40.1                6.7 +/-    1.07       9.7 +/-    1.07  0.050 / 0.060
G17     63.8           26.5                6.7 +/-    1.87      12.7 +/-    1.87  0.040 / 0.050
G19     47.0           44.5                7.4 +/-    1.15      10.0 +/-    1.15  0.160 / 0.460
G24     253.6          39.3               10.4 +/-    2.75      15.3 +/-    2.75  0.310 / 0.380
G28     126.2          11.7                8.5 +/-    1.49      22.9 +/-    1.49  0.050 / 0.060