PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-17:27:50
G01     116.3          20.0               14.3 +/-    1.13      31.4 +/-    1.13  0.050 / 0.100
G07     87.9           65.2               13.4 +/-    0.52      14.7 +/-    0.52  0.050 / 0.080
G08     44.3           30.4                9.9 +/-    1.06      17.1 +/-    1.06  0.030 / 0.040
G09     176.5          22.6               13.2 +/-    1.56      27.3 +/-    1.56  0.030 / 0.040
G11     103.4          41.2               13.9 +/-    0.52      19.9 +/-    0.52  0.030 / 0.040
G13     316.1          21.8                9.4 +/-    1.44      19.7 +/-    1.44  0.030 / 0.040
G17     203.3          25.5               13.3 +/-    2.29      25.6 +/-    2.29  0.050 / 0.090
G18     91.2           22.0               11.4 +/-    1.57      23.9 +/-    1.57  0.040 / 0.080
G28     299.1          58.6               12.1 +/-    0.53      13.9 +/-    0.53  0.110 / 0.260
G30     354.6          71.7               12.5 +/-    1.05      13.1 +/-    1.05  0.120 / 0.240