PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-03:42:30
G08     296.7          22.1               11.6 +/-    1.92      24.4 +/-    1.92  0.060 / 0.110
G10     8.5            62.7                8.4 +/-    0.82       9.3 +/-    0.82  0.070 / 0.120
G14     228.3          45.3               13.6 +/-    2.08      18.3 +/-    2.08  0.030 / 0.030
G20     63.8           52.9                9.2 +/-    0.75      11.3 +/-    0.75  0.030 / 0.030
G21     146.3          41.8               11.7 +/-    1.09      16.5 +/-    1.09  0.040 / 0.070
G24     57.2           26.1               16.4 +/-    1.42      31.3 +/-    1.42  0.060 / 0.080
G27     256.4          32.5               11.0 +/-    2.69      18.3 +/-    2.69  0.100 / 0.140
G32     241.9          65.1               11.6 +/-    0.61      12.7 +/-    0.61  0.130 / 0.140