PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-22:27:20
G02     45.8           44.6                7.4 +/-    0.30      10.0 +/-    0.30  0.040 / 0.030
G05     96.7           69.3               10.5 +/-    0.44      11.2 +/-    0.44  0.030 / 0.040
G12     186.1          48.5               12.1 +/-    2.17      15.6 +/-    2.17  0.040 / 0.080
G25     267.5          58.5               10.1 +/-    1.46      11.6 +/-    1.46  0.040 / 0.080
G29     317.1          38.9                9.6 +/-    1.27      14.3 +/-    1.27  0.070 / 0.060