PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-19:43:00
G01     45.4           21.5               10.9 +/-    0.97      23.1 +/-    0.97  0.070 / 0.190
G06     175.6          32.5               15.3 +/-    1.22      25.5 +/-    1.22  0.080 / 0.190
G13     244.2          26.6               17.3 +/-    2.00      32.7 +/-    2.00  0.140 / 0.260
G15     278.4          14.2               14.3 +/-    1.03      36.3 +/-    1.03  0.140 / 0.260
G17     331.4          76.1               13.6 +/-    0.82      14.0 +/-    0.82  0.060 / 0.110
G19     257.0          63.1               13.8 +/-    0.64      15.3 +/-    0.64  0.050 / 0.080
G24     318.2          13.8               11.8 +/-    0.91      30.2 +/-    0.91  0.040 / 0.070
G28     62.0           50.1               12.9 +/-    0.67      16.2 +/-    0.67  0.040 / 0.050
G30     152.3          34.4               14.7 +/-    0.86      23.6 +/-    0.86  0.020 / 0.030