PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/26-00:58:00
G10     312.1          56.5                8.6 +/-    2.02      10.1 +/-    2.02  0.080 / 0.070
G14     212.3          18.3               13.8 +/-    1.93      31.7 +/-    1.93  0.080 / 0.070
G15     45.6           20.5                7.6 +/-    2.41      16.5 +/-    2.41  0.040 / 0.040
G20     10.6           64.3                9.3 +/-    0.64      10.2 +/-    0.64  0.030 / 0.040
G21     116.3          69.0               11.4 +/-    1.08      12.1 +/-    1.08  0.110 / 0.540
G24     89.3           29.2                9.7 +/-    1.04      17.3 +/-    1.04  0.320 / 0.620
G27     291.8          36.9               12.7 +/-    1.44      19.4 +/-    1.44  0.160 / 0.330
G32     214.2          39.0               12.1 +/-    1.22      17.9 +/-    1.22  0.200 / 0.210