PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-20:43:00
G01     45.8           21.9                9.9 +/-    2.44      20.7 +/-    2.44  0.100 / 0.180
G06     176.0          31.6               15.6 +/-    1.67      26.4 +/-    1.67  0.090 / 0.260
G11     43.8           11.1               10.3 +/-    1.71      28.0 +/-    1.71  0.060 / 0.080
G13     244.9          27.0               14.5 +/-    2.28      27.0 +/-    2.28  0.060 / 0.090
G15     278.6          14.5               11.5 +/-    1.19      29.0 +/-    1.19  0.120 / 0.240
G17     325.3          76.5               12.3 +/-    0.40      12.6 +/-    0.40  0.130 / 0.260
G19     256.2          63.0               13.8 +/-    0.67      15.3 +/-    0.67  0.040 / 0.050
G24     318.4          13.0                7.1 +/-   13.03      18.5 +/-   13.03  0.040 / 0.060
G28     61.3           50.3               11.5 +/-    0.76      14.4 +/-    0.76  0.090 / 0.090
G30     151.9          34.6               14.2 +/-    1.22      22.8 +/-    1.22  0.070 / 0.110