PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-15:58:10
G07     10.5           67.5                9.9 +/-    0.55      10.6 +/-    0.55  0.040 / 0.060
G08     67.0           50.2               11.4 +/-    0.34      14.3 +/-    0.34  0.050 / 0.050
G09     179.8          51.2               13.2 +/-    2.56      16.4 +/-    2.56  0.040 / 0.040
G11     132.1          26.3               12.4 +/-    1.09      23.6 +/-    1.09  0.030 / 0.040
G23     158.7          18.0               12.8 +/-    2.52      29.7 +/-    2.52  0.080 / 0.330
G27     41.1           18.3                9.1 +/-    0.96      20.8 +/-    0.96  0.120 / 0.260
G28     257.1          44.5               10.4 +/-    1.77      14.1 +/-    1.77  0.050 / 0.050
G30     319.1          49.6                9.2 +/-    0.69      11.7 +/-    0.69  0.050 / 0.060