PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-18:28:00
G01     40.4           15.5                8.1 +/-    1.95      19.9 +/-    1.95  0.140 / 0.270
G06     175.1          38.5               11.1 +/-    1.18      16.5 +/-    1.18  0.140 / 0.330
G13     236.3          22.3               12.6 +/-    2.33      26.2 +/-    2.33  0.040 / 0.060
G15     269.8          12.1               12.1 +/-    1.56      32.3 +/-    1.56  0.040 / 0.080
G17     359.6          71.0                9.6 +/-    0.60      10.1 +/-    0.60  0.130 / 0.330
G19     279.3          70.0                9.5 +/-    0.66      10.1 +/-    0.66  0.110 / 0.370
G24     316.2          19.6                9.5 +/-    1.69      21.2 +/-    1.69  0.110 / 0.200
G28     66.5           50.6                9.3 +/-    0.58      11.7 +/-    0.58  0.090 / 0.200
G30     153.7          24.0               10.8 +/-    2.06      21.5 +/-    2.06  0.110 / 0.290