PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-17:12:50
G01     115.7          20.4               14.5 +/-    0.91      31.6 +/-    0.91  0.050 / 0.100
G07     89.3           64.8               13.8 +/-    0.55      15.1 +/-    0.55  0.060 / 0.120
G08     44.0           29.7               10.0 +/-    0.60      17.7 +/-    0.60  0.030 / 0.040
G09     176.3          22.0               12.8 +/-    1.09      26.9 +/-    1.09  0.030 / 0.040
G11     102.5          41.3               13.8 +/-    0.47      19.7 +/-    0.47  0.030 / 0.040
G13     315.7          22.3                9.9 +/-    1.55      20.7 +/-    1.55  0.030 / 0.040
G17     203.4          26.3               12.5 +/-    2.04      23.8 +/-    2.04  0.040 / 0.090
G18     90.5           22.2               12.3 +/-    1.18      25.5 +/-    1.18  0.040 / 0.100
G28     300.2          58.8               11.8 +/-    0.71      13.6 +/-    0.71  0.090 / 0.140
G30     355.6          72.1               13.4 +/-    1.39      14.0 +/-    1.39  0.050 / 0.120