PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-03:42:40
G08     296.7          22.1               10.7 +/-    1.05      22.4 +/-    1.05  0.050 / 0.100
G10     8.5            62.7               10.0 +/-    0.52      11.1 +/-    0.52  0.040 / 0.080
G14     228.3          45.3               14.6 +/-    1.43      19.6 +/-    1.43  0.060 / 0.080
G20     63.8           52.9                9.6 +/-    0.80      11.8 +/-    0.80  0.060 / 0.090
G21     146.3          41.8               12.8 +/-    0.79      18.1 +/-    0.79  0.030 / 0.030
G24     57.2           26.1               17.6 +/-    0.85      33.5 +/-    0.85  0.040 / 0.030
G27     256.4          32.5               12.7 +/-    1.79      21.1 +/-    1.79  0.090 / 0.130
G32     241.9          65.1               12.2 +/-    1.07      13.3 +/-    1.07  0.070 / 0.110