PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-19:27:30
G07     306.9          48.1               10.9 +/-    1.01      14.1 +/-    1.01  0.050 / 0.080
G08     129.2          38.3               14.9 +/-    0.86      22.3 +/-    0.86  0.050 / 0.070
G09     312.5          74.7               10.0 +/-    0.84      10.4 +/-    0.84  0.090 / 0.250
G16     41.9           32.3                8.2 +/-    1.05      13.8 +/-    1.05  0.110 / 0.210
G23     140.7          69.2               11.7 +/-    0.69      12.4 +/-    0.69  0.040 / 0.050
G27     87.2           37.5               12.0 +/-    0.42      18.2 +/-    0.42  0.040 / 0.050
G30     283.0          20.0               10.0 +/-    1.51      22.1 +/-    1.51  0.050 / 0.060