PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-00:12:40
G02     86.7           11.4                8.2 +/-    2.74      22.1 +/-    2.74  0.060 / 0.110
G05     45.2           27.9                6.1 +/-    0.63      11.2 +/-    0.63  0.060 / 0.110
G13     92.4           33.9               12.0 +/-    0.64      19.5 +/-    0.64  0.140 / 0.250
G15     139.9          42.3               12.8 +/-    0.78      17.9 +/-    0.78  0.140 / 0.190
G20     237.2          26.1               11.8 +/-    1.11      22.6 +/-    1.11  0.120 / 0.310
G21     300.9          38.0               10.4 +/-    1.44      15.6 +/-    1.44  0.110 / 0.370
G25     206.9          22.8               10.2 +/-    0.99      20.9 +/-    0.99  0.060 / 0.140
G26     302.3          18.7                8.7 +/-    1.77      19.7 +/-    1.77  0.050 / 0.150
G29     106.4          85.0               10.2 +/-    0.99      10.2 +/-    0.99  0.040 / 0.050