PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-04:57:40
G02     32.4           55.7                5.7 +/-    0.65       6.7 +/-    0.65  0.040 / 0.050
G05     140.4          60.9                6.8 +/-    0.65       7.7 +/-    0.65  0.050 / 0.040
G06     50.9           22.0                1.7 +/-    0.58       3.6 +/-    0.58  0.040 / 0.040
G12     208.1          71.5                6.2 +/-    0.46       6.5 +/-    0.46  0.030 / 0.040
G19     98.2           11.0                3.8 +/-    2.08      10.4 +/-    2.08  0.040 / 0.040
G25     297.1          54.4                5.9 +/-    0.93       7.0 +/-    0.93  0.030 / 0.040
G29     308.5          31.2                3.3 +/-    0.99       5.6 +/-    0.99  0.050 / 0.120