PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/09-01:28:10
G02     218.3          64.8               11.7 +/-    0.71      12.8 +/-    0.71  0.050 / 0.070
G06     51.9           72.2                9.8 +/-    0.33      10.3 +/-    0.33  0.040 / 0.060
G12     319.3          38.2                9.3 +/-    1.03      14.0 +/-    1.03  0.060 / 0.110
G17     57.4           34.1                9.0 +/-    2.48      14.5 +/-    2.48  0.060 / 0.100
G19     42.2           47.7               10.0 +/-    1.36      13.0 +/-    1.36  0.030 / 0.030
G24     261.8          40.8               11.6 +/-    3.66      16.7 +/-    3.66  0.030 / 0.030
G28     124.7          11.0               14.0 +/-    2.50      38.2 +/-    2.50  0.160 / 0.360