PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-14:12:50
G01     122.0          14.7                8.3 +/-    1.80      20.7 +/-    1.80  0.030 / 0.040
G07     77.7           65.0                8.5 +/-    0.32       9.3 +/-    0.32  0.030 / 0.040
G08     47.8           36.9                6.9 +/-    0.93      10.6 +/-    0.93  0.060 / 0.080
G09     178.1          31.9                8.7 +/-    2.28      14.7 +/-    2.28  0.040 / 0.070
G11     111.9          38.9                9.3 +/-    0.62      13.8 +/-    0.62  0.040 / 0.100
G13     319.1          16.9                4.4 +/-    2.25      10.3 +/-    2.25  0.040 / 0.080
G17     200.7          18.1                7.4 +/-    0.67      17.0 +/-    0.67  0.150 / 0.270
G18     97.5           19.0                8.1 +/-    0.99      18.4 +/-    0.99  0.140 / 0.220
G28     277.6          51.3                8.7 +/-    1.15      10.8 +/-    1.15  0.110 / 0.270
G30     343.9          67.0                6.1 +/-    0.65       6.5 +/-    0.65  0.100 / 0.240