PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-23:27:50
G01     69.4           32.6               11.2 +/-    1.73      18.6 +/-    1.73  0.070 / 0.110
G07     137.6          25.7               10.8 +/-    1.78      20.8 +/-    1.78  0.060 / 0.120
G11     51.9           29.0                8.8 +/-    2.03      15.8 +/-    2.03  0.090 / 0.090
G13     272.5          38.0                9.7 +/-    2.29      14.6 +/-    2.29  0.090 / 0.070
G15     301.3          15.6                6.3 +/-    1.32      15.4 +/-    1.32  0.040 / 0.050
G17     235.3          72.0               11.7 +/-    0.56      12.3 +/-    0.56  0.040 / 0.040
G18     45.8           15.5                8.4 +/-    1.69      20.5 +/-    1.69  0.100 / 0.100
G19     224.3          42.4               11.2 +/-    1.61      15.7 +/-    1.61  0.120 / 0.100
G28     14.2           60.3               10.0 +/-    1.28      11.3 +/-    1.28  0.110 / 0.250
G30     136.6          60.7               11.8 +/-    0.62      13.3 +/-    0.62  0.140 / 0.350