PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/12-01:28:10
G02     225.4          70.3               10.8 +/-    0.52      11.4 +/-    0.52  0.030 / 0.050
G05     173.8          10.4               -7.3 +/-   13.22     -20.1 +/-   13.22  0.050 / 0.050
G06     44.7           66.7                9.8 +/-    0.52      10.6 +/-    0.52  0.090 / 0.120
G12     320.6          43.6                9.4 +/-    0.53      12.9 +/-    0.53  0.070 / 0.120
G17     62.1           30.8                8.6 +/-    0.57      14.9 +/-    0.57  0.030 / 0.030
G19     48.4           44.2                9.7 +/-    1.04      13.3 +/-    1.04  0.030 / 0.030
G24     254.6          38.8               11.0 +/-    1.28      16.3 +/-    1.28  0.040 / 0.040