PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-17:43:00
G01     96.2           30.2               11.7 +/-    0.72      20.4 +/-    0.72  0.070 / 0.180
G07     120.3          50.4               12.6 +/-    0.61      15.8 +/-    0.61  0.080 / 0.150
G08     42.0           13.2                7.4 +/-    2.04      19.2 +/-    2.04  0.030 / 0.060
G11     75.6           41.8               11.5 +/-    0.81      16.3 +/-    0.81  0.030 / 0.060
G13     300.3          34.0               11.6 +/-    1.32      18.7 +/-    1.32  0.040 / 0.080
G17     211.6          46.0               13.3 +/-    1.63      17.7 +/-    1.63  0.040 / 0.080
G18     69.4           24.7               10.3 +/-    0.72      20.3 +/-    0.72  0.030 / 0.040
G19     212.7          20.6               13.6 +/-    2.70      29.5 +/-    2.70  0.030 / 0.030
G28     339.0          61.9               10.1 +/-    0.69      11.3 +/-    0.69  0.050 / 0.060
G30     82.7           78.7               11.7 +/-    0.65      11.9 +/-    0.65  0.030 / 0.050