PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-13:57:40
G03     196.3          35.4               11.8 +/-    1.03      18.5 +/-    1.03  0.110 / 0.240
G07     275.3          28.1               10.5 +/-    1.35      19.1 +/-    1.35  0.120 / 0.250
G08     153.4          14.5               11.9 +/-    1.56      30.1 +/-    1.56  0.150 / 0.170
G09     319.1          47.6                9.6 +/-    0.86      12.5 +/-    0.86  0.060 / 0.100
G16     50.9           51.4               10.9 +/-    0.61      13.5 +/-    0.61  0.160 / 0.180
G22     179.5          17.5               10.4 +/-    2.54      24.3 +/-    2.54  0.130 / 0.230
G23     31.1           80.6               10.6 +/-    2.06      10.7 +/-    2.06  0.040 / 0.040
G26     43.3           22.9                9.4 +/-    3.27      19.3 +/-    3.27  0.040 / 0.040
G27     116.0          25.4               12.1 +/-    1.82      23.3 +/-    1.82  0.030 / 0.020