PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-19:58:10
G07     322.5          54.7               10.6 +/-    0.66      12.6 +/-    0.66  0.060 / 0.060
G08     114.6          46.6               13.0 +/-    0.45      17.2 +/-    0.45  0.060 / 0.060
G09     250.0          83.0                9.1 +/-    0.55       9.1 +/-    0.55  0.190 / 0.470
G16     43.1           21.2                8.4 +/-    2.48      17.9 +/-    2.48  0.150 / 0.350
G23     150.9          56.0               12.7 +/-    0.61      14.9 +/-    0.61  0.030 / 0.030
G27     70.9           37.4               11.7 +/-    0.95      17.8 +/-    0.95  0.030 / 0.030
G28     228.2          16.4               14.8 +/-    2.37      35.5 +/-    2.37  0.030 / 0.060
G30     292.6          27.6               11.1 +/-    1.75      20.5 +/-    1.75  0.040 / 0.040