PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-23:12:40
G01     40.1           15.0                6.6 +/-    3.24      16.4 +/-    3.24  0.140 / 0.210
G06     177.4          37.2               12.2 +/-    1.29      18.6 +/-    1.29  0.100 / 0.150
G13     235.6          21.4               10.5 +/-    2.41      22.4 +/-    2.41  0.040 / 0.030
G15     268.9          11.8               10.2 +/-    1.21      27.3 +/-    1.21  0.040 / 0.030
G17     7.8            68.5                8.3 +/-    0.62       8.8 +/-    0.62  0.170 / 0.220
G19     280.6          69.7                9.4 +/-    0.50       9.9 +/-    0.50  0.120 / 0.260
G24     315.3          21.8                7.9 +/-    2.80      16.5 +/-    2.80  0.040 / 0.060
G28     69.4           49.1                7.8 +/-    1.17       9.9 +/-    1.17  0.040 / 0.060
G30     154.7          25.4               12.2 +/-    3.46      23.6 +/-    3.46  0.080 / 0.140