PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/28-15:12:50
G01     116.3          20.0               11.5 +/-    1.00      25.4 +/-    1.00  0.030 / 0.040
G07     88.2           65.0               10.9 +/-    0.62      11.9 +/-    0.62  0.030 / 0.040
G08     43.9           29.0                7.6 +/-    0.82      13.5 +/-    0.82  0.040 / 0.030
G09     175.8          21.8               11.8 +/-    1.56      24.9 +/-    1.56  0.040 / 0.040
G11     102.4          41.1               11.4 +/-    1.20      16.3 +/-    1.20  0.140 / 0.190
G13     316.0          22.0                6.9 +/-    1.06      14.4 +/-    1.06  0.130 / 0.170
G17     202.8          27.0               12.1 +/-    1.31      22.7 +/-    1.31  0.040 / 0.070
G18     90.8           22.0                9.6 +/-    0.73      20.1 +/-    0.73  0.040 / 0.080
G28     298.8          58.5                8.9 +/-    0.81      10.2 +/-    0.81  0.050 / 0.120
G30     352.1          71.1                9.5 +/-    1.09      10.0 +/-    1.09  0.050 / 0.130