PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-14:43:00
G01     246.1          32.6               10.0 +/-    1.71      16.7 +/-    1.71  0.060 / 0.080
G03     314.2          52.0                6.3 +/-    1.53       7.7 +/-    1.53  0.060 / 0.110
G11     235.6          10.1                8.3 +/-    3.52      23.0 +/-    3.52  0.050 / 0.060
G14     62.9           40.5                7.6 +/-    1.35      10.9 +/-    1.35  0.050 / 0.060
G18     218.4          24.2                9.8 +/-    3.42      19.6 +/-    3.42  0.150 / 0.470
G22     290.7          74.0                8.1 +/-    0.80       8.4 +/-    0.80  0.280 / 0.570
G23     291.8          25.2                9.1 +/-    1.81      17.8 +/-    1.81  0.070 / 0.180
G26     129.6          42.3               12.1 +/-    1.06      17.0 +/-    1.06  0.070 / 0.210
G31     40.7           51.8                6.3 +/-    0.59       7.8 +/-    0.59  0.030 / 0.040
G32     81.9           18.8                6.9 +/-    0.94      15.7 +/-    0.94  0.030 / 0.040