PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-23:42:30
G10     324.4          59.0                8.0 +/-    0.79       9.2 +/-    0.79  0.070 / 0.080
G14     215.0          24.1               11.9 +/-    2.06      23.8 +/-    2.06  0.060 / 0.070
G15     46.1           15.2                5.9 +/-    3.10      14.7 +/-    3.10  0.210 / 0.360
G20     27.0           62.2                9.0 +/-    1.43      10.0 +/-    1.43  0.210 / 0.380
G21     127.6          63.3               10.4 +/-    0.75      11.5 +/-    0.75  0.040 / 0.050
G24     81.6           30.3                8.3 +/-    1.15      14.5 +/-    1.15  0.050 / 0.040
G27     282.9          37.9               11.3 +/-    1.57      17.0 +/-    1.57  0.030 / 0.030
G32     218.2          46.4                9.2 +/-    1.03      12.2 +/-    1.03  0.030 / 0.030