PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-22:43:10
G02     62.5           30.2                8.2 +/-    0.50      14.2 +/-    0.50  0.080 / 0.260
G05     52.7           56.8                8.2 +/-    0.36       9.6 +/-    0.36  0.090 / 0.260
G12     184.7          30.2               12.8 +/-    1.14      22.3 +/-    1.14  0.040 / 0.070
G13     123.6          17.6               13.0 +/-    1.28      30.2 +/-    1.28  0.040 / 0.070
G15     160.9          16.0               17.3 +/-    3.13      42.0 +/-    3.13  0.070 / 0.130
G21     274.8          19.4               11.0 +/-    2.00      24.6 +/-    2.00  0.070 / 0.150
G25     231.9          49.3               11.8 +/-    2.52      15.0 +/-    2.52  0.050 / 0.110
G29     333.1          59.8                9.4 +/-    0.66      10.6 +/-    0.66  0.050 / 0.110