PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/12-17:43:10
G07     34.3           69.7               13.4 +/-    0.72      14.2 +/-    0.72  0.050 / 0.060
G08     57.1           46.0               13.0 +/-    0.55      17.3 +/-    0.55  0.040 / 0.070
G09     179.1          42.2               13.7 +/-    0.95      19.2 +/-    0.95  0.030 / 0.040
G11     125.1          31.7               14.2 +/-    0.66      24.0 +/-    0.66  0.030 / 0.040
G18     109.2          13.8               14.2 +/-    1.70      36.4 +/-    1.70  0.030 / 0.030
G27     38.1           11.3               11.0 +/-    4.23      29.8 +/-    4.23  0.030 / 0.030
G28     268.5          50.1               12.3 +/-    3.70      15.5 +/-    3.70  0.090 / 0.070
G30     328.2          56.9               12.5 +/-    0.36      14.6 +/-    0.36  0.120 / 0.080