PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-03:58:00
G08     289.6          22.3               11.5 +/-    1.41      23.9 +/-    1.41  0.130 / 0.130
G10     23.5           62.4                9.6 +/-    1.14      10.7 +/-    1.14  0.100 / 0.130
G14     234.9          51.3               13.0 +/-    2.23      16.1 +/-    2.23  0.040 / 0.030
G18     317.8          15.7                7.5 +/-    2.43      18.3 +/-    2.43  0.030 / 0.030
G20     73.2           49.1                8.1 +/-    1.38      10.3 +/-    1.38  0.050 / 0.100
G21     149.6          35.0               10.3 +/-    1.37      16.3 +/-    1.37  0.050 / 0.120
G24     51.3           22.7               14.8 +/-    2.52      30.6 +/-    2.52  0.100 / 0.090
G27     249.2          28.9               12.0 +/-    2.48      21.4 +/-    2.48  0.090 / 0.080
G31     181.8          12.2                7.6 +/-    1.91      20.3 +/-    1.91  0.150 / 0.390
G32     256.4          70.4                9.9 +/-    0.80      10.5 +/-    0.80  0.400 / 0.350