PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-22:58:10
G02     38.4           50.4                9.7 +/-    0.75      12.2 +/-    0.75  0.030 / 0.060
G05     123.5          66.7               11.4 +/-    0.57      12.2 +/-    0.57  0.040 / 0.060
G06     56.5           12.1                8.5 +/-    1.45      22.7 +/-    1.45  0.050 / 0.070
G12     196.4          63.1               11.5 +/-    1.17      12.7 +/-    1.17  0.050 / 0.070
G25     287.1          56.5                9.2 +/-    0.93      10.7 +/-    0.93  0.040 / 0.030
G29     312.6          34.5               10.3 +/-    1.17      16.5 +/-    1.17  0.040 / 0.040