PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-17:27:50
G01     54.5           27.9                9.3 +/-    2.39      17.0 +/-    2.39  0.050 / 0.060
G06     179.1          18.5               -6.5 +/-   40.16     -14.9 +/-   40.16  0.030 / 0.050
G07     143.4          13.2               10.7 +/-    2.33      27.8 +/-    2.33  0.230 / 0.400
G11     45.9           19.7                9.3 +/-    2.09      20.7 +/-    2.09  0.150 / 0.340
G13     255.6          34.0               15.6 +/-    1.14      25.3 +/-    1.14  0.150 / 0.240
G15     288.5          16.4               11.5 +/-    2.25      27.7 +/-    2.25  0.070 / 0.170
G17     275.5          78.0               13.3 +/-    0.62      13.6 +/-    0.62  0.060 / 0.140
G19     237.7          56.0               14.0 +/-    2.52      16.5 +/-    2.52  0.060 / 0.150
G28     35.0           57.9               11.1 +/-    0.91      12.8 +/-    0.91  0.030 / 0.030
G30     146.1          44.0               13.3 +/-    0.59      18.2 +/-    0.59  0.030 / 0.030