PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-22:42:50
G02     220.4          65.3               13.5 +/-    0.56      14.8 +/-    0.56  0.120 / 0.210
G06     50.8           73.0               11.9 +/-    0.49      12.4 +/-    0.49  0.150 / 0.350
G12     318.7          37.4                9.4 +/-    0.67      14.3 +/-    0.67  0.040 / 0.040
G17     60.8           29.3               10.4 +/-    1.29      18.5 +/-    1.29  0.040 / 0.050
G19     44.4           45.9               11.1 +/-    0.78      14.7 +/-    0.78  0.060 / 0.090
G24     258.3          40.3               12.9 +/-    1.07      18.7 +/-    1.07  0.050 / 0.080
G28     124.2          14.5               16.5 +/-    2.16      41.6 +/-    2.16  0.040 / 0.090