PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-15:27:50
G01     100.4          28.7               11.0 +/-    1.37      19.9 +/-    1.37  0.050 / 0.150
G07     115.9          53.3               11.0 +/-    0.78      13.4 +/-    0.78  0.060 / 0.140
G08     41.7           15.0                9.4 +/-    1.91      23.4 +/-    1.91  0.030 / 0.020
G11     79.7           42.3               10.2 +/-    1.11      14.3 +/-    1.11  0.030 / 0.030
G13     304.0          32.4               10.8 +/-    1.04      18.0 +/-    1.04  0.030 / 0.040
G17     209.0          43.7               12.9 +/-    0.95      17.8 +/-    0.95  0.030 / 0.040
G18     73.2           24.7               11.0 +/-    1.52      21.6 +/-    1.52  0.050 / 0.060
G19     211.4          16.5               11.3 +/-    2.02      27.0 +/-    2.02  0.070 / 0.060
G28     330.9          61.7               10.3 +/-    0.49      11.5 +/-    0.49  0.110 / 0.250
G30     56.5           80.0               11.0 +/-    0.40      11.2 +/-    0.40  0.190 / 0.200