PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-14:28:00
G07     17.4           67.3                7.7 +/-    0.52       8.3 +/-    0.52  0.050 / 0.050
G08     71.9           51.1                8.7 +/-    0.43      10.9 +/-    0.43  0.030 / 0.050
G09     182.1          56.8               12.3 +/-    1.27      14.4 +/-    1.27  0.050 / 0.130
G11     133.7          25.0                9.0 +/-    1.69      17.5 +/-    1.69  0.070 / 0.100
G23     158.7          22.8                8.6 +/-    1.54      17.7 +/-    1.54  0.070 / 0.220
G27     43.5           22.0                6.0 +/-    0.84      12.6 +/-    0.84  0.080 / 0.250
G28     249.7          37.1               10.9 +/-    1.61      16.6 +/-    1.61  0.090 / 0.150
G30     318.6          50.0                8.3 +/-    1.24      10.4 +/-    1.24  0.070 / 0.180