PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-22:57:40
G01     70.1           32.6               10.0 +/-    0.88      16.6 +/-    0.88  0.030 / 0.050
G07     137.3          26.0               12.5 +/-    0.49      23.9 +/-    0.49  0.040 / 0.060
G11     52.3           29.5                8.4 +/-    1.01      14.9 +/-    1.01  0.050 / 0.120
G13     273.3          38.2               11.5 +/-    0.79      17.3 +/-    0.79  0.060 / 0.110
G15     301.8          15.5                7.3 +/-    2.31      17.9 +/-    2.31  0.080 / 0.110
G17     233.8          71.3               11.3 +/-    0.98      11.8 +/-    0.98  0.050 / 0.110
G18     46.4           16.0                7.3 +/-    1.23      17.8 +/-    1.23  0.040 / 0.090
G19     223.8          42.0               13.5 +/-    0.98      19.1 +/-    0.98  0.040 / 0.090
G28     12.8           60.4                9.6 +/-    0.62      10.9 +/-    0.62  0.030 / 0.050
G30     136.0          61.1               13.2 +/-    0.75      14.8 +/-    0.75  0.030 / 0.050