PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-22:28:10
G02     54.8           38.0                9.7 +/-    0.81      14.6 +/-    0.81  0.030 / 0.060
G05     67.9           66.8                9.6 +/-    0.72      10.4 +/-    0.72  0.040 / 0.060
G12     184.8          34.8               12.5 +/-    1.01      19.9 +/-    1.01  0.030 / 0.040
G13     132.1          12.9               11.7 +/-    2.27      30.6 +/-    2.27  0.030 / 0.040
G20     204.9          58.0               12.3 +/-    0.60      14.2 +/-    0.60  0.040 / 0.110
G21     268.2          15.2               11.8 +/-    1.03      29.3 +/-    1.03  0.040 / 0.090
G25     233.6          53.3               10.3 +/-    1.23      12.5 +/-    1.23  0.110 / 0.270
G29     327.2          53.0                9.3 +/-    1.15      11.3 +/-    1.15  0.110 / 0.330