PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/07-19:27:50
G01     96.9           30.0               10.6 +/-    0.61      18.5 +/-    0.61  0.120 / 0.260
G07     119.5          51.0               13.8 +/-    0.34      17.2 +/-    0.34  0.110 / 0.200
G08     42.0           14.8                7.7 +/-    1.75      19.2 +/-    1.75  0.030 / 0.060
G11     77.2           42.3               11.4 +/-    0.69      16.0 +/-    0.69  0.030 / 0.050
G13     301.1          33.6               11.8 +/-    0.82      19.2 +/-    0.82  0.060 / 0.100
G17     211.5          44.0               14.8 +/-    1.28      20.3 +/-    1.28  0.060 / 0.100
G18     70.4           24.8               10.2 +/-    1.02      20.0 +/-    1.02  0.040 / 0.050
G19     212.4          20.6               17.0 +/-    2.39      36.9 +/-    2.39  0.040 / 0.060
G28     338.1          61.9               11.0 +/-    0.70      12.3 +/-    0.70  0.040 / 0.090
G30     82.6           78.3               11.8 +/-    0.64      12.0 +/-    0.64  0.040 / 0.080