PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-15:43:10
G01     104.8          25.9               11.4 +/-    1.58      21.8 +/-    1.58  0.070 / 0.070
G07     111.7          52.1               11.8 +/-    0.81      14.5 +/-    0.81  0.070 / 0.060
G08     41.8           20.2               10.4 +/-    2.52      22.8 +/-    2.52  0.070 / 0.090
G09     175.3          13.7               11.6 +/-    1.33      29.7 +/-    1.33  0.060 / 0.070
G11     85.9           43.4               11.9 +/-    0.55      16.5 +/-    0.55  0.020 / 0.050
G13     307.9          30.5               11.1 +/-    1.41      19.2 +/-    1.41  0.030 / 0.050
G17     206.0          37.8               12.6 +/-    0.96      19.0 +/-    0.96  0.080 / 0.180
G28     310.0          59.1               10.7 +/-    1.14      12.2 +/-    1.14  0.090 / 0.170
G30     48.3           78.7               11.5 +/-    0.91      11.7 +/-    0.91  0.050 / 0.090