PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/15-01:57:50
G08     316.3          14.5                5.6 +/-    2.17      14.1 +/-    2.17  0.080 / 0.060
G10     324.1          58.9                9.0 +/-    0.74      10.3 +/-    0.74  0.080 / 0.080
G14     214.9          24.9               10.3 +/-    2.44      20.2 +/-    2.44  0.030 / 0.030
G15     46.1           14.5                7.1 +/-    1.20      17.8 +/-    1.20  0.030 / 0.030
G20     25.7           62.5               11.9 +/-    1.30      13.2 +/-    1.30  0.040 / 0.040
G21     127.6          63.0               11.6 +/-    0.59      12.8 +/-    0.59  0.050 / 0.040
G24     81.2           30.2                9.7 +/-    1.93      16.9 +/-    1.93  0.230 / 0.260
G27     283.3          37.8               10.4 +/-    0.79      15.7 +/-    0.79  0.090 / 0.250
G32     218.4          45.3               11.3 +/-    0.87      15.1 +/-    0.87  0.250 / 0.170