PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-16:42:50
G01     56.0           28.9               13.6 +/-    0.98      24.4 +/-    0.98  0.050 / 0.060
G06     178.0          20.0              -25.7 +/-   15.04     -56.5 +/-   15.04  0.040 / 0.070
G07     144.0          18.7               14.2 +/-    1.56      32.3 +/-    1.56  0.060 / 0.100
G11     46.5           20.3               13.8 +/-    2.03      30.1 +/-    2.03  0.060 / 0.110
G13     257.6          33.7               13.8 +/-    1.62      22.4 +/-    1.62  0.090 / 0.260
G15     292.0          15.6               10.8 +/-    3.06      26.6 +/-    3.06  0.100 / 0.270
G17     275.2          77.8               14.9 +/-    0.96      15.2 +/-    0.96  0.060 / 0.260
G19     236.5          51.6               16.7 +/-    1.30      20.7 +/-    1.30  0.070 / 0.270
G28     42.2           55.4               14.7 +/-    0.51      17.5 +/-    0.51  0.040 / 0.080
G30     146.5          48.7               15.6 +/-    0.83      20.0 +/-    0.83  0.040 / 0.080