PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-22:27:20
G02     227.7          70.4               12.9 +/-    0.77      13.6 +/-    0.77  0.030 / 0.070
G05     173.5          11.4               11.9 +/-   39.19      32.1 +/-   39.19  0.040 / 0.090
G06     43.5           64.0               12.3 +/-    0.36      13.5 +/-    0.36  0.060 / 0.120
G12     321.3          46.5               11.0 +/-    1.23      14.6 +/-    1.23  0.060 / 0.100
G17     64.3           28.4               10.9 +/-    0.67      19.8 +/-    0.67  0.130 / 0.270
G19     48.9           44.1               12.1 +/-    0.66      16.5 +/-    0.66  0.120 / 0.250
G24     252.1          38.1               15.7 +/-    0.94      23.6 +/-    0.94  0.030 / 0.040