PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/04-20:27:30
G08     307.5          20.0               11.3 +/-    1.20      25.0 +/-    1.20  0.060 / 0.060
G10     333.4          60.1               10.8 +/-    0.41      12.2 +/-    0.41  0.050 / 0.060
G14     219.1          33.3               15.4 +/-    1.74      25.3 +/-    1.74  0.050 / 0.040
G18     42.8           58.1               12.6 +/-    0.63      14.5 +/-    0.63  0.040 / 0.040
G21     135.5          52.0               13.9 +/-    0.41      17.1 +/-    0.41  0.050 / 0.060
G24     73.6           30.5               12.9 +/-    0.60      22.4 +/-    0.60  0.050 / 0.060
G27     271.0          37.3               12.9 +/-    3.05      19.7 +/-    3.05  0.090 / 0.110
G32     224.9          51.4               15.2 +/-    2.54      18.9 +/-    2.54  0.120 / 0.040