PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-23:27:50
G01     54.3           28.1                8.7 +/-    2.44      15.8 +/-    2.44  0.120 / 0.260
G06     179.1          20.2              -23.7 +/-   14.11     -52.0 +/-   14.11  0.130 / 0.240
G07     144.8          17.3               10.7 +/-    1.73      25.1 +/-    1.73  0.160 / 0.100
G11     46.8           20.9                8.4 +/-    2.29      18.0 +/-    2.29  0.120 / 0.120
G13     256.2          32.7                9.5 +/-    2.23      15.7 +/-    2.23  0.040 / 0.050
G15     287.8          16.4                9.9 +/-    0.93      23.7 +/-    0.93  0.050 / 0.050
G17     273.6          76.2               10.4 +/-    0.65      10.7 +/-    0.65  0.120 / 0.070
G19     239.7          55.6               10.6 +/-    2.51      12.6 +/-    2.51  0.090 / 0.080
G28     46.0           54.4                9.3 +/-    1.27      11.1 +/-    1.27  0.090 / 0.150
G30     146.7          43.7               11.4 +/-    0.70      15.7 +/-    0.70  0.080 / 0.120