PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-16:58:10
G01     116.4          19.9               13.7 +/-    1.08      30.2 +/-    1.08  0.050 / 0.090
G07     87.6           65.2               12.3 +/-    0.44      13.4 +/-    0.44  0.050 / 0.090
G08     44.2           30.3                9.4 +/-    0.98      16.4 +/-    0.98  0.030 / 0.050
G09     176.4          22.6               12.7 +/-    0.78      26.2 +/-    0.78  0.030 / 0.040
G11     103.4          41.1               11.9 +/-    0.58      17.0 +/-    0.58  0.090 / 0.180
G13     316.2          21.7                8.7 +/-    1.38      18.3 +/-    1.38  0.060 / 0.160
G17     203.2          25.6               12.3 +/-    1.03      23.6 +/-    1.03  0.030 / 0.040
G18     91.3           22.0               11.8 +/-    1.19      24.7 +/-    1.19  0.040 / 0.040
G28     298.7          58.5               10.4 +/-    0.64      12.0 +/-    0.64  0.040 / 0.070
G30     353.7          71.4               11.2 +/-    0.60      11.8 +/-    0.60  0.040 / 0.060