PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-01:42:50
G02     209.6          52.2                8.3 +/-    0.67      10.2 +/-    0.67  0.070 / 0.060
G06     128.4          80.8                6.5 +/-    0.65       6.6 +/-    0.65  0.060 / 0.060
G12     314.2          25.8                5.0 +/-    1.37       9.5 +/-    1.37  0.170 / 0.120
G17     50.9           36.5                5.4 +/-    1.82       8.3 +/-    1.82  0.080 / 0.150
G19     27.5           55.2                5.7 +/-    1.99       6.8 +/-    1.99  0.050 / 0.060
G24     274.9          43.1                7.4 +/-    2.18      10.3 +/-    2.18  0.040 / 0.040
G28     114.9          23.4                9.0 +/-    1.64      18.3 +/-    1.64  0.040 / 0.050