PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/17-22:43:10
G01     103.2          27.5               11.4 +/-    1.22      21.1 +/-    1.22  0.090 / 0.120
G07     112.1          55.8               12.6 +/-    0.35      14.9 +/-    0.35  0.080 / 0.120
G08     42.1           20.4                8.5 +/-    2.11      18.5 +/-    2.11  0.070 / 0.080
G09     174.8          11.2               17.4 +/-    2.29      47.3 +/-    2.29  0.070 / 0.100
G11     87.2           43.6               11.1 +/-    0.79      15.3 +/-    0.79  0.200 / 0.140
G13     306.9          30.4               10.6 +/-    1.39      18.4 +/-    1.39  0.150 / 0.190
G17     208.4          38.8               14.9 +/-    1.01      22.0 +/-    1.01  0.030 / 0.060
G19     210.2          16.3               18.8 +/-    3.83      45.4 +/-    3.83  0.030 / 0.060
G28     326.8          61.6                8.9 +/-    0.68      10.0 +/-    0.68  0.040 / 0.040
G30     60.4           78.5               11.8 +/-    1.42      12.0 +/-    1.42  0.030 / 0.040