PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/31-15:58:00
G03     203.5          53.3               11.6 +/-    0.44      14.1 +/-    0.44  0.090 / 0.180
G07     261.0          21.9               10.5 +/-    2.49      22.1 +/-    2.49  0.100 / 0.170
G09     311.3          29.5                8.3 +/-    0.92      14.7 +/-    0.92  0.060 / 0.050
G16     99.8           66.0                9.2 +/-    1.06       9.9 +/-    1.06  0.050 / 0.050
G22     184.4          35.5               10.2 +/-    1.14      16.1 +/-    1.14  0.080 / 0.130
G23     332.0          61.8                8.8 +/-    0.70       9.8 +/-    0.70  0.110 / 0.110
G26     53.6           44.3                8.0 +/-    1.08      10.9 +/-    1.08  0.210 / 0.310
G27     134.0          11.7               11.5 +/-    2.60      30.9 +/-    2.60  0.240 / 0.260