PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-04:43:10
G08     292.0          22.7                4.7 +/-    0.92       9.8 +/-    0.92  0.050 / 0.100
G10     11.8           63.1                5.2 +/-    0.73       5.7 +/-    0.73  0.040 / 0.100
G14     231.3          45.1                9.3 +/-    0.57      12.5 +/-    0.57  0.100 / 0.100
G18     317.7          11.1               -7.7 +/-   19.90     -20.9 +/-   19.90  0.110 / 0.120
G20     60.7           56.1                6.7 +/-    0.44       7.9 +/-    0.44  0.060 / 0.110
G21     147.7          39.2                8.1 +/-    1.30      11.9 +/-    1.30  0.070 / 0.100
G24     53.6           24.0                5.5 +/-    0.71      11.0 +/-    0.71  0.040 / 0.030
G27     252.3          30.6                7.2 +/-    1.10      12.4 +/-    1.10  0.040 / 0.040
G32     252.7          71.2                6.7 +/-    0.62       7.0 +/-    0.62  0.060 / 0.110