PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-22:12:50
G01     114.3          20.8               11.2 +/-    1.17      24.2 +/-    1.17  0.040 / 0.070
G07     97.4           59.5               10.0 +/-    0.33      11.4 +/-    0.33  0.050 / 0.070
G08     42.8           25.4                8.4 +/-    1.07      16.2 +/-    1.07  0.080 / 0.210
G09     176.4          21.6               11.9 +/-    0.98      25.2 +/-    0.98  0.080 / 0.240
G11     97.7           41.9               10.0 +/-    0.39      14.1 +/-    0.39  0.040 / 0.040
G13     314.7          23.9                9.9 +/-    0.95      19.8 +/-    0.95  0.040 / 0.040
G17     201.9          31.5               13.5 +/-    1.79      22.9 +/-    1.79  0.090 / 0.160
G18     85.3           22.0                9.1 +/-    1.48      19.1 +/-    1.48  0.090 / 0.130
G28     296.1          57.1                9.9 +/-    0.76      11.6 +/-    0.76  0.030 / 0.040
G30     357.1          73.0                9.3 +/-    0.81       9.7 +/-    0.81  0.030 / 0.040