PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/05-18:13:10
G08     310.9          18.3               11.6 +/-    1.64      26.5 +/-    1.64  0.050 / 0.070
G10     327.5          59.1               13.6 +/-    0.75      15.6 +/-    0.75  0.050 / 0.070
G14     217.4          29.6               18.6 +/-    2.71      32.8 +/-    2.71  0.090 / 0.070
G15     46.5           11.0                9.3 +/-    1.57      25.3 +/-    1.57  0.260 / 0.330
G18     38.6           59.1               15.0 +/-    0.36      17.2 +/-    0.36  0.120 / 0.050
G21     132.6          53.3               18.2 +/-    0.50      22.1 +/-    0.50  0.070 / 0.060
G24     77.3           30.6               14.9 +/-    0.92      25.7 +/-    0.92  0.030 / 0.050
G27     275.4          37.8               15.2 +/-    2.03      23.0 +/-    2.03  0.040 / 0.040
G32     222.1          49.4               17.6 +/-    1.42      22.4 +/-    1.42  0.180 / 0.180