PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-03:27:30
G10     296.5          51.5                8.3 +/-    1.07      10.3 +/-    1.07  0.040 / 0.040
G15     46.4           30.1                5.3 +/-    1.04       9.2 +/-    1.04  0.040 / 0.040
G20     339.8          64.8                6.3 +/-    1.02       6.9 +/-    1.02  0.050 / 0.100
G21     92.6           75.2                8.4 +/-    0.30       8.6 +/-    0.30  0.070 / 0.100
G24     97.2           26.2                8.6 +/-    0.76      16.3 +/-    0.76  0.070 / 0.150
G27     301.0          34.0                8.6 +/-    0.92      13.9 +/-    0.92  0.070 / 0.170
G32     210.0          33.3               11.2 +/-    2.01      18.4 +/-    2.01  0.040 / 0.050