PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-22:57:50
G02     31.5           56.3                8.7 +/-    0.47      10.3 +/-    0.47  0.040 / 0.060
G05     139.7          61.1               10.3 +/-    1.12      11.6 +/-    1.12  0.040 / 0.060
G06     52.2           17.9                6.9 +/-    0.66      15.9 +/-    0.66  0.040 / 0.050
G12     207.1          71.4               11.0 +/-    1.66      11.5 +/-    1.66  0.040 / 0.050
G25     299.4          52.2                9.2 +/-    1.09      11.3 +/-    1.09  0.030 / 0.040
G29     307.1          28.8                8.2 +/-    1.03      14.7 +/-    1.03  0.020 / 0.030