PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-19:57:40
G01     268.8          42.8               11.1 +/-    1.06      15.5 +/-    1.06  0.050 / 0.060
G03     315.6          27.1                7.8 +/-    1.22      14.5 +/-    1.22  0.040 / 0.060
G10     128.8          15.8               13.6 +/-    1.88      33.2 +/-    1.88  0.040 / 0.070
G11     255.8          19.4               12.9 +/-    1.76      28.9 +/-    1.76  0.040 / 0.080
G14     36.3           54.1               12.1 +/-    0.45      14.5 +/-    0.45  0.110 / 0.260
G22     314.4          49.6               11.1 +/-    0.85      14.1 +/-    0.85  0.100 / 0.290
G25     53.8           16.5                7.5 +/-    1.40      17.9 +/-    1.40  0.040 / 0.090
G26     149.1          24.1               13.7 +/-    1.71      27.3 +/-    1.71  0.060 / 0.080
G31     60.8           75.2               11.8 +/-    0.93      12.1 +/-    0.93  0.080 / 0.150
G32     63.8           31.7                9.9 +/-    1.60      16.7 +/-    1.60  0.080 / 0.140