PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-17:27:50
G01     101.7          28.2               14.9 +/-    0.79      27.2 +/-    0.79  0.140 / 0.280
G07     114.2          54.6               15.8 +/-    0.64      18.9 +/-    0.64  0.170 / 0.280
G08     41.8           17.3               10.7 +/-    1.92      25.2 +/-    1.92  0.030 / 0.030
G11     82.3           42.8               14.7 +/-    1.03      20.5 +/-    1.03  0.030 / 0.040
G13     305.2          31.6               13.6 +/-    1.61      23.0 +/-    1.61  0.030 / 0.020
G17     208.8          40.9               17.2 +/-    0.95      24.7 +/-    0.95  0.030 / 0.020
G18     74.9           24.8               15.2 +/-    1.09      29.9 +/-    1.09  0.080 / 0.150
G19     210.9          16.0                8.1 +/-   21.40      19.6 +/-   21.40  0.090 / 0.140
G28     328.7          61.6               13.6 +/-    0.50      15.3 +/-    0.50  0.080 / 0.110
G30     53.5           79.7               14.9 +/-    0.52      15.1 +/-    0.52  0.090 / 0.110