PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/31-05:58:00
G08     316.6          14.3                5.0 +/-    1.14      12.6 +/-    1.14  0.100 / 0.270
G10     319.1          57.6                4.9 +/-    1.23       5.7 +/-    1.23  0.080 / 0.220
G14     215.3          20.3                8.0 +/-    1.61      17.6 +/-    1.61  0.040 / 0.060
G15     45.9           16.8                3.4 +/-    0.48       8.2 +/-    0.48  0.040 / 0.050
G20     46.0           55.6                3.8 +/-    0.77       4.5 +/-    0.77  0.070 / 0.070
G21     125.9          64.2                7.2 +/-    0.41       7.9 +/-    0.41  0.060 / 0.080
G24     81.6           29.7                5.0 +/-    0.64       8.8 +/-    0.64  0.030 / 0.040
G27     283.6          37.7                6.5 +/-    0.72       9.9 +/-    0.72  0.030 / 0.040
G32     217.7          47.4               10.4 +/-    1.05      13.6 +/-    1.05  0.120 / 0.250