PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-02:58:00
G10     300.9          53.5                7.9 +/-    1.55       9.5 +/-    1.55  0.040 / 0.040
G14     210.2          12.7                8.1 +/-    2.24      21.1 +/-    2.24  0.040 / 0.040
G15     45.8           25.9                5.5 +/-    0.77      10.5 +/-    0.77  0.060 / 0.090
G20     355.4          65.1                8.3 +/-    0.94       9.0 +/-    0.94  0.090 / 0.080
G21     99.8           73.4                8.5 +/-    0.55       8.8 +/-    0.55  0.050 / 0.050
G24     96.4           27.0                7.7 +/-    1.31      14.5 +/-    1.31  0.050 / 0.050
G27     300.1          34.4                8.0 +/-    1.47      12.9 +/-    1.47  0.120 / 0.470
G32     211.2          31.2                9.0 +/-    1.69      15.4 +/-    1.69  0.090 / 0.500