PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-06:27:50
G01     268.4          41.8                6.8 +/-    1.99       9.5 +/-    1.99  0.050 / 0.060
G03     316.2          31.1                5.1 +/-    1.70       8.7 +/-    1.70  0.060 / 0.050
G10     129.8          15.0                4.4 +/-    1.62      10.8 +/-    1.62  0.280 / 0.300
G11     250.0          19.0                6.0 +/-    2.89      13.4 +/-    2.89  0.150 / 0.270
G14     43.2           50.2                3.6 +/-    0.83       4.5 +/-    0.83  0.050 / 0.070
G18     232.1          38.5                5.9 +/-    1.95       8.8 +/-    1.95  0.080 / 0.060
G22     314.1          52.6                4.3 +/-    0.96       5.2 +/-    0.96  0.050 / 0.080
G25     52.8           16.6                2.9 +/-    1.78       6.9 +/-    1.78  0.040 / 0.070
G31     54.4           71.9                5.0 +/-    0.42       5.2 +/-    0.42  0.090 / 0.170
G32     63.3           33.6                3.3 +/-    2.48       5.3 +/-    2.48  0.080 / 0.210