PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-20:43:00
G07     324.8          54.6               11.4 +/-    0.65      13.6 +/-    0.65  0.120 / 0.210
G08     113.3          50.2               13.1 +/-    0.41      16.4 +/-    0.41  0.120 / 0.180
G09     210.2          79.5               12.7 +/-    0.36      12.9 +/-    0.36  0.070 / 0.070
G16     45.3           11.4                7.9 +/-    4.61      21.3 +/-    4.61  0.090 / 0.060
G23     152.7          44.9               12.4 +/-    2.10      16.7 +/-    2.10  0.040 / 0.050
G27     59.8           33.7               10.5 +/-    0.92      17.0 +/-    0.92  0.040 / 0.040
G28     233.5          25.8               12.9 +/-    3.18      24.7 +/-    3.18  0.410 / 0.360
G30     299.5          34.3                8.6 +/-    2.12      13.8 +/-    2.12  0.330 / 0.390