PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-12:42:50
G01     74.1           32.6                4.5 +/-    0.50       7.5 +/-    0.50  0.050 / 0.080
G07     134.7          31.6                5.9 +/-    1.82      10.0 +/-    1.82  0.050 / 0.060
G11     56.4           34.3                3.5 +/-    0.68       5.6 +/-    0.68  0.260 / 0.260
G13     278.2          38.9                6.6 +/-    1.37       9.8 +/-    1.37  0.040 / 0.080
G15     306.2          14.1                2.1 +/-    1.75       5.4 +/-    1.75  0.050 / 0.100
G17     225.0          61.0                7.4 +/-    0.88       8.3 +/-    0.88  0.060 / 0.090
G18     51.3           19.6                4.0 +/-    1.09       8.9 +/-    1.09  0.060 / 0.120
G19     220.4          40.1                6.7 +/-    1.00       9.7 +/-    1.00  0.070 / 0.120
G28     358.9          61.4                4.1 +/-    0.39       4.6 +/-    0.39  0.070 / 0.110
G30     131.2          65.6                5.4 +/-    0.92       5.8 +/-    0.92  0.060 / 0.140