PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-22:42:50
G02     56.3           35.2                8.3 +/-    2.72      13.1 +/-    2.72  0.050 / 0.050
G05     63.0           63.3                8.5 +/-    0.71       9.4 +/-    0.71  0.090 / 0.050
G12     186.5          38.4               11.0 +/-    0.85      16.5 +/-    0.85  0.060 / 0.130
G13     129.7          12.5               11.9 +/-    3.04      31.3 +/-    3.04  0.060 / 0.090
G15     165.0          10.1               -7.5 +/-   17.81     -20.8 +/-   17.81  0.120 / 0.350
G21     268.6          14.7               10.3 +/-    3.28      25.9 +/-    3.28  0.130 / 0.330
G25     243.3          54.4               10.4 +/-    2.22      12.5 +/-    2.22  0.040 / 0.070
G29     327.6          52.6               10.9 +/-    1.06      13.3 +/-    1.06  0.070 / 0.080