PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/01-23:27:40
G01     83.2           32.7                7.6 +/-    0.82      12.6 +/-    0.82  0.100 / 0.100
G07     130.5          36.1                9.9 +/-    0.46      15.3 +/-    0.46  0.100 / 0.110
G11     60.9           36.3                6.6 +/-    0.36      10.3 +/-    0.36  0.040 / 0.080
G13     287.3          38.0                9.1 +/-    0.76      13.7 +/-    0.76  0.040 / 0.070
G15     311.0          12.4                7.8 +/-    1.91      20.7 +/-    1.91  0.030 / 0.040
G17     218.2          61.3               10.3 +/-    1.18      11.6 +/-    1.18  0.030 / 0.040
G18     55.2           20.5                5.1 +/-    1.27      11.0 +/-    1.27  0.080 / 0.130
G19     216.9          31.7               10.4 +/-    2.07      17.5 +/-    2.07  0.080 / 0.100
G28     352.4          61.6                7.2 +/-    0.99       8.1 +/-    0.99  0.040 / 0.080
G30     119.8          71.7               10.2 +/-    0.36      10.6 +/-    0.36  0.040 / 0.090