PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/26-16:43:00
G07     340.4          60.7               11.1 +/-    0.50      12.5 +/-    0.50  0.040 / 0.060
G08     102.0          50.9               12.5 +/-    1.01      15.6 +/-    1.01  0.040 / 0.060
G09     200.3          77.1               11.2 +/-    1.19      11.5 +/-    1.19  0.110 / 0.330
G11     146.1          12.7               15.5 +/-    4.08      40.7 +/-    4.08  0.110 / 0.330
G16     45.9           11.6                8.9 +/-    3.06      23.9 +/-    3.06  0.060 / 0.090
G23     154.6          44.0               13.3 +/-    0.44      18.2 +/-    0.44  0.060 / 0.100
G27     58.9           33.9                9.3 +/-    0.61      15.1 +/-    0.61  0.050 / 0.070
G28     234.2          23.4               14.8 +/-    2.24      29.9 +/-    2.24  0.040 / 0.090
G30     301.1          35.3               11.2 +/-    1.35      17.7 +/-    1.35  0.180 / 0.400