PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-16:43:10
G01     81.9           32.6                8.0 +/-    1.27      13.4 +/-    1.27  0.050 / 0.050
G07     130.9          34.8               10.1 +/-    0.90      16.1 +/-    0.90  0.040 / 0.060
G11     61.0           36.9                8.7 +/-    1.20      13.4 +/-    1.20  0.050 / 0.100
G13     286.2          38.4               10.6 +/-    1.83      15.9 +/-    1.83  0.060 / 0.090
G15     310.2          12.9                9.7 +/-    1.62      25.3 +/-    1.62  0.050 / 0.080
G17     218.8          58.5               11.9 +/-    1.18      13.7 +/-    1.18  0.050 / 0.080
G18     56.2           21.6                9.3 +/-    2.27      19.7 +/-    2.27  0.050 / 0.120
G19     216.9          33.8               11.0 +/-    1.02      17.9 +/-    1.02  0.060 / 0.120
G28     349.7          61.6                8.9 +/-    0.55      10.0 +/-    0.55  0.040 / 0.050
G30     123.2          67.2               10.8 +/-    0.75      11.6 +/-    0.75  0.060 / 0.060