PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-22:57:30
G08     307.5          20.1               12.9 +/-    1.81      28.3 +/-    1.81  0.030 / 0.020
G10     332.1          59.9               10.7 +/-    0.30      12.2 +/-    0.30  0.030 / 0.020
G14     218.7          33.2               15.3 +/-    1.82      25.1 +/-    1.82  0.030 / 0.050
G15     46.9           10.1                8.6 +/-    2.79      24.0 +/-    2.79  0.030 / 0.040
G18     40.3           58.9               11.9 +/-    0.97      13.6 +/-    0.97  0.060 / 0.070
G21     134.8          54.3               14.3 +/-    0.59      17.2 +/-    0.59  0.090 / 0.070
G24     74.4           30.6               12.0 +/-    1.09      20.8 +/-    1.09  0.050 / 0.060
G27     271.7          37.4               14.0 +/-    2.69      21.3 +/-    2.69  0.060 / 0.070
G32     224.4          49.8               13.5 +/-    2.35      17.0 +/-    2.35  0.120 / 0.120