PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-03:27:40
G08     320.1          11.5               -0.4 +/-   27.72      -1.0 +/-   27.72  0.250 / 0.290
G10     307.8          54.9                7.3 +/-    1.30       8.7 +/-    1.30  0.230 / 0.330
G14     212.7          15.3               13.0 +/-    4.69      32.0 +/-    4.69  0.070 / 0.070
G15     45.7           23.8                6.0 +/-    2.89      12.0 +/-    2.89  0.090 / 0.060
G20     351.5          65.0                8.7 +/-    0.85       9.4 +/-    0.85  0.030 / 0.030
G21     113.6          70.2                9.5 +/-    1.10      10.1 +/-    1.10  0.030 / 0.040
G24     88.9           28.5                9.4 +/-    1.43      17.1 +/-    1.43  0.250 / 0.470
G27     292.5          36.6                8.7 +/-    2.21      13.4 +/-    2.21  0.200 / 0.310
G32     213.5          40.6               12.1 +/-    1.17      17.4 +/-    1.17  0.090 / 0.110