PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-15:27:50
G01     273.8          41.2                8.4 +/-    2.60      12.0 +/-    2.60  0.070 / 0.040
G03     316.0          32.0                5.8 +/-    1.11       9.8 +/-    1.11  0.060 / 0.060
G10     128.6          18.9                7.4 +/-    3.88      16.7 +/-    3.88  0.060 / 0.060
G11     255.5          21.2                9.7 +/-    5.02      20.7 +/-    5.02  0.060 / 0.070
G14     38.3           52.9                7.7 +/-    1.97       9.4 +/-    1.97  0.030 / 0.020
G22     314.6          52.6                6.5 +/-    0.73       8.0 +/-    0.73  0.030 / 0.020
G25     54.9           17.7                6.3 +/-    6.07      14.6 +/-    6.07  0.150 / 0.160
G31     58.6           74.4                8.0 +/-    0.50       8.3 +/-    0.50  0.230 / 0.120
G32     63.1           32.8                5.0 +/-    0.94       8.3 +/-    0.94  0.050 / 0.070