PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-19:27:50
G01     48.9           24.7               11.0 +/-    0.90      21.6 +/-    0.90  0.100 / 0.280
G06     176.7          27.5               15.0 +/-    1.51      27.8 +/-    1.51  0.120 / 0.280
G07     146.8          11.5               16.9 +/-    4.86      45.6 +/-    4.86  0.110 / 0.280
G11     44.5           14.4                9.9 +/-    2.25      25.0 +/-    2.25  0.160 / 0.280
G13     249.1          29.6               14.0 +/-    1.25      24.7 +/-    1.25  0.050 / 0.080
G15     283.1          15.2               12.5 +/-    2.29      30.9 +/-    2.29  0.050 / 0.080
G17     309.1          77.7               13.5 +/-    0.78      13.8 +/-    0.78  0.110 / 0.390
G19     248.0          59.3               14.4 +/-    0.50      16.4 +/-    0.50  0.130 / 0.300
G28     54.9           52.2               12.4 +/-    0.56      15.3 +/-    0.56  0.030 / 0.030
G30     150.3          39.4               15.0 +/-    0.57      22.1 +/-    0.57  0.030 / 0.030