PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-16:43:10
G01     122.2          15.6               13.9 +/-    2.01      34.0 +/-    2.01  0.040 / 0.070
G07     70.1           68.3               11.8 +/-    0.90      12.6 +/-    0.90  0.040 / 0.070
G08     47.2           36.0               10.1 +/-    1.17      15.7 +/-    1.17  0.030 / 0.040
G09     177.2          29.4               12.3 +/-    1.67      21.8 +/-    1.67  0.030 / 0.040
G11     112.0          38.4               12.4 +/-    0.94      18.5 +/-    0.94  0.170 / 0.250
G13     319.2          16.5                9.6 +/-    1.96      23.1 +/-    1.96  0.080 / 0.270
G17     201.6          18.9               12.5 +/-    1.91      28.2 +/-    1.91  0.030 / 0.030
G18     98.2           19.4               11.9 +/-    1.47      26.4 +/-    1.47  0.030 / 0.040
G28     286.6          55.9               11.7 +/-    0.98      13.8 +/-    0.98  0.050 / 0.070
G30     341.7          65.9               11.1 +/-    0.82      12.0 +/-    0.82  0.040 / 0.060