PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/17-11:58:00
G01     272.9          42.0                6.6 +/-    2.12       9.2 +/-    2.12  0.070 / 0.070
G03     316.2          32.8                3.4 +/-    0.92       5.6 +/-    0.92  0.050 / 0.070
G10     128.3          17.5                4.8 +/-    2.95      11.1 +/-    2.95  0.070 / 0.060
G11     251.3          20.4                6.1 +/-    1.76      13.3 +/-    1.76  0.060 / 0.060
G14     41.6           50.8                4.8 +/-    0.99       6.0 +/-    0.99  0.090 / 0.130
G18     233.3          40.1                8.8 +/-    2.12      12.8 +/-    2.12  0.090 / 0.130
G22     314.9          55.0                3.0 +/-    1.91       3.6 +/-    1.91  0.040 / 0.060
G25     53.8           16.6                4.7 +/-    4.20      11.2 +/-    4.20  0.070 / 0.050
G31     63.6           76.5                4.7 +/-    0.86       4.8 +/-    0.86  0.050 / 0.050
G32     58.3           38.8                4.4 +/-    0.95       6.5 +/-    0.95  0.050 / 0.070