PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-16:12:50
G01     62.5           31.3               10.7 +/-    0.43      18.3 +/-    0.43  0.040 / 0.050
G07     141.3          24.4               12.9 +/-    1.01      25.6 +/-    1.01  0.040 / 0.040
G11     49.1           25.1                9.8 +/-    1.62      19.1 +/-    1.62  0.060 / 0.090
G13     265.1          36.0               13.0 +/-    0.91      20.2 +/-    0.91  0.050 / 0.090
G15     298.0          15.3                7.6 +/-    4.52      18.7 +/-    4.52  0.060 / 0.210
G17     250.6          74.5               13.3 +/-    0.44      13.7 +/-    0.44  0.060 / 0.200
G18     43.6           14.1                8.0 +/-    1.10      20.5 +/-    1.10  0.050 / 0.150
G19     230.0          45.9               14.3 +/-    1.19      19.1 +/-    1.19  0.090 / 0.140
G28     32.0           57.4               11.4 +/-    0.69      13.3 +/-    0.69  0.060 / 0.060
G30     142.2          55.2               11.7 +/-    0.97      13.9 +/-    0.97  0.050 / 0.060