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                4.4 +/-    0.85       5.2 +/-    0.85  0.190 / 0.230
G05     140.4          60.9                6.5 +/-    0.30       7.4 +/-    0.30  0.140 / 0.260
G06     50.9           22.0                2.5 +/-    2.59       5.3 +/-    2.59  0.030 / 0.030
G12     208.1          71.5                5.7 +/-    0.36       5.9 +/-    0.36  0.030 / 0.030
G19     98.2           11.0                5.5 +/-    3.43      15.1 +/-    3.43  0.060 / 0.050
G25     297.1          54.4                3.8 +/-    2.80       4.6 +/-    2.80  0.040 / 0.040
G29     308.5          31.2                3.6 +/-    1.08       6.1 +/-    1.08  0.040 / 0.030