PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-08:12:40
G01     73.4           32.3                3.0 +/-    0.72       5.0 +/-    0.72  0.040 / 0.030
G07     134.7          33.5                6.5 +/-    0.65      10.6 +/-    0.65  0.040 / 0.040
G11     57.4           35.7                2.7 +/-    1.18       4.2 +/-    1.18  0.070 / 0.110
G13     277.9          39.0                5.1 +/-    1.11       7.6 +/-    1.11  0.070 / 0.100
G15     305.1          14.7                2.1 +/-    3.30       5.3 +/-    3.30  0.080 / 0.100
G17     225.3          64.6                6.7 +/-    0.80       7.3 +/-    0.80  0.060 / 0.090
G19     220.4          40.7                7.0 +/-    2.03      10.0 +/-    2.03  0.040 / 0.040
G28     356.4          61.5                3.5 +/-    0.74       3.9 +/-    0.74  0.040 / 0.040
G30     131.1          68.4                6.1 +/-    1.16       6.6 +/-    1.16  0.060 / 0.060