PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-16:27:50
G01     99.4           28.3               11.3 +/-    1.42      20.6 +/-    1.42  0.060 / 0.060
G07     117.9          47.6               12.2 +/-    0.72      15.9 +/-    0.72  0.050 / 0.050
G08     41.7           15.5                9.5 +/-    2.34      23.4 +/-    2.34  0.060 / 0.100
G11     78.6           42.7               11.3 +/-    0.94      15.8 +/-    0.94  0.050 / 0.080
G13     303.3          33.4               10.2 +/-    2.22      16.7 +/-    2.22  0.040 / 0.050
G17     208.3          43.5               13.0 +/-    0.68      17.9 +/-    0.68  0.030 / 0.050
G18     71.6           24.3               11.0 +/-    1.24      21.9 +/-    1.24  0.050 / 0.140
G19     210.3          19.8                1.3 +/-   14.21       2.8 +/-   14.21  0.050 / 0.140
G28     320.2          60.3               10.7 +/-    0.79      12.1 +/-    0.79  0.060 / 0.070
G30     77.4           78.0               12.7 +/-    0.34      13.0 +/-    0.34  0.050 / 0.070