PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-19:57:50
G03     195.0          35.8               13.7 +/-    2.12      21.4 +/-    2.12  0.090 / 0.150
G07     273.6          27.0               11.6 +/-    1.17      21.7 +/-    1.17  0.080 / 0.170
G08     154.8          12.9               17.9 +/-    3.03      46.7 +/-    3.03  0.030 / 0.050
G09     318.1          44.5                7.4 +/-    1.56      10.0 +/-    1.56  0.030 / 0.040
G16     54.2           55.4               10.5 +/-    0.65      12.5 +/-    0.65  0.080 / 0.300
G22     181.2          20.7               14.5 +/-    2.02      31.3 +/-    2.02  0.080 / 0.280
G23     8.3            78.7                9.8 +/-    0.91      10.0 +/-    0.91  0.080 / 0.130
G26     43.7           25.9               10.1 +/-    0.69      19.4 +/-    0.69  0.060 / 0.130
G27     117.0          24.4               14.5 +/-    1.14      28.7 +/-    1.14  0.050 / 0.060