PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-16:57:40
G01     71.7           32.6                8.1 +/-    1.58      13.4 +/-    1.58  0.040 / 0.050
G07     136.2          27.3               10.6 +/-    1.42      19.7 +/-    1.42  0.040 / 0.050
G11     53.9           31.7                8.4 +/-    1.80      14.2 +/-    1.80  0.070 / 0.120
G13     275.2          38.6                9.8 +/-    1.11      14.5 +/-    1.11  0.070 / 0.120
G15     303.1          15.3                7.3 +/-    1.46      18.0 +/-    1.46  0.090 / 0.120
G17     229.1          66.6               10.6 +/-    0.85      11.4 +/-    0.85  0.090 / 0.120
G18     48.9           18.1                8.8 +/-    2.29      20.4 +/-    2.29  0.050 / 0.120
G19     222.3          41.6               12.3 +/-    1.89      17.5 +/-    1.89  0.090 / 0.120
G28     6.1            61.0                9.6 +/-    0.82      10.9 +/-    0.82  0.070 / 0.040
G30     134.2          59.6               10.1 +/-    0.42      11.5 +/-    0.42  0.030 / 0.040