PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-16:12:30
G07     22.5           68.9               10.0 +/-    1.13      10.7 +/-    1.13  0.040 / 0.090
G08     61.0           47.8                9.7 +/-    0.42      12.6 +/-    0.42  0.040 / 0.070
G09     179.1          46.2               12.9 +/-    0.81      17.0 +/-    0.81  0.040 / 0.040
G11     128.3          29.2               14.0 +/-    1.43      25.0 +/-    1.43  0.030 / 0.040
G18     112.5          11.7               11.4 +/-    1.98      30.6 +/-    1.98  0.140 / 0.330
G23     159.1          13.6               12.5 +/-    1.93      32.1 +/-    1.93  0.120 / 0.340
G27     39.4           14.7                9.1 +/-    2.43      22.7 +/-    2.43  0.040 / 0.090
G28     262.7          47.4               11.1 +/-    1.00      14.5 +/-    1.00  0.050 / 0.090
G30     323.3          53.1               12.5 +/-    0.64      15.2 +/-    0.64  0.120 / 0.200