PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/19-03:43:00
G08     263.9          15.2               10.8 +/-    2.71      26.6 +/-    2.71  0.050 / 0.050
G10     74.9           53.7                8.5 +/-    0.54      10.3 +/-    0.54  0.050 / 0.050
G11     306.6          20.8                7.5 +/-    3.01      16.3 +/-    3.01  0.120 / 0.380
G14     283.0          69.4                8.7 +/-    0.68       9.3 +/-    0.68  0.140 / 0.360
G18     307.7          38.4                6.9 +/-    1.16      10.3 +/-    1.16  0.070 / 0.080
G20     102.1          32.1                8.1 +/-    0.71      13.6 +/-    0.71  0.060 / 0.090
G27     227.1          11.7               11.7 +/-    1.39      31.4 +/-    1.39  0.030 / 0.020
G31     175.5          38.9                9.1 +/-    0.99      13.4 +/-    0.99  0.020 / 0.020
G32     355.5          70.9                8.1 +/-    0.50       8.6 +/-    0.50  0.040 / 0.030