PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/23-21:42:50
G02     206.2          44.0               15.7 +/-    1.28      21.5 +/-    1.28  0.090 / 0.130
G06     132.8          77.3               14.2 +/-    0.64      14.5 +/-    0.64  0.090 / 0.180
G12     312.3          22.9                9.5 +/-    2.04      19.5 +/-    2.04  0.060 / 0.080
G17     41.5           45.3               10.6 +/-    0.47      14.3 +/-    0.47  0.050 / 0.080
G19     14.4           60.8               12.3 +/-    0.70      13.8 +/-    0.70  0.040 / 0.070
G24     287.2          41.5               11.0 +/-    1.29      15.7 +/-    1.29  0.040 / 0.080
G28     110.5          25.2               14.4 +/-    1.73      28.1 +/-    1.73  0.070 / 0.190