PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-18:27:50
G01     64.6           31.9               11.0 +/-    1.74      18.6 +/-    1.74  0.090 / 0.170
G07     140.4          26.4               13.8 +/-    1.25      26.1 +/-    1.25  0.070 / 0.180
G11     50.5           27.2                9.6 +/-    1.91      17.9 +/-    1.91  0.060 / 0.110
G13     267.6          36.5               15.3 +/-    1.36      23.6 +/-    1.36  0.070 / 0.110
G15     298.7          15.6               11.5 +/-    1.65      28.1 +/-    1.65  0.030 / 0.030
G17     243.4          71.3               15.0 +/-    0.74      15.8 +/-    0.74  0.040 / 0.030
G18     45.2           15.5               10.9 +/-    1.65      26.8 +/-    1.65  0.110 / 0.250
G19     228.5          45.0               16.1 +/-    1.84      21.6 +/-    1.84  0.100 / 0.340
G28     29.1           57.9               14.7 +/-    0.69      17.0 +/-    0.69  0.050 / 0.100
G30     140.6          56.2               15.7 +/-    0.52      18.4 +/-    0.52  0.060 / 0.070