PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/02-11:43:10
G08     273.9          18.2                5.1 +/-    1.05      11.7 +/-    1.05  0.050 / 0.060
G10     57.4           59.3                4.2 +/-    0.86       4.8 +/-    0.86  0.040 / 0.070
G11     314.1          14.2                2.3 +/-    1.74       5.9 +/-    1.74  0.100 / 0.310
G14     259.7          62.3                5.3 +/-    0.78       5.9 +/-    0.78  0.110 / 0.350
G18     313.6          29.2                4.9 +/-    2.32       8.8 +/-    2.32  0.080 / 0.250
G21     154.1          16.4                4.0 +/-    1.31       9.7 +/-    1.31  0.110 / 0.250
G24     40.5           11.5                3.9 +/-    1.14      10.5 +/-    1.14  0.080 / 0.220
G27     232.5          16.8                6.0 +/-    2.07      14.2 +/-    2.07  0.070 / 0.220
G31     177.5          29.9                7.5 +/-    1.43      13.1 +/-    1.43  0.040 / 0.040
G32     338.1          74.7                5.4 +/-    0.72       5.6 +/-    0.72  0.030 / 0.040