PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-20:43:00
G07     44.9           68.3               15.1 +/-    0.72      16.1 +/-    0.72  0.050 / 0.100
G08     55.7           43.4               12.3 +/-    0.40      16.9 +/-    0.40  0.060 / 0.090
G09     179.4          44.7               16.5 +/-    0.95      22.3 +/-    0.95  0.030 / 0.040
G11     123.8          31.7               16.1 +/-    0.91      27.3 +/-    0.91  0.030 / 0.040
G18     107.1          13.1               14.7 +/-    2.61      38.3 +/-    2.61  0.130 / 0.230
G23     160.9          15.5               16.2 +/-    2.78      39.8 +/-    2.78  0.110 / 0.210
G27     39.3           14.9               10.2 +/-    1.53      25.5 +/-    1.53  0.140 / 0.250
G28     262.4          45.6               14.5 +/-    1.16      19.3 +/-    1.16  0.130 / 0.270
G30     325.5          55.1               13.1 +/-    0.55      15.6 +/-    0.55  0.040 / 0.060