PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-22:58:10
G10     287.0          48.1               11.8 +/-    2.26      15.2 +/-    2.26  0.080 / 0.090
G15     49.0           38.6                7.0 +/-    0.93      10.3 +/-    0.93  0.070 / 0.110
G20     281.1          36.0               17.8 +/-    0.54      27.7 +/-    0.54  0.040 / 0.040
G21     61.1           77.7               10.0 +/-    0.40      10.2 +/-    0.40  0.040 / 0.040
G24     103.4          23.2               11.0 +/-    1.14      22.4 +/-    1.14  0.090 / 0.170
G27     308.1          30.2                9.5 +/-    1.42      16.7 +/-    1.42  0.080 / 0.140
G29     169.0          15.6               15.0 +/-    3.25      36.7 +/-    3.25  0.070 / 0.060
G32     207.4          26.4               15.0 +/-    2.95      28.4 +/-    2.95  0.070 / 0.060