PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-01:57:40
G01     82.7           33.0                5.1 +/-    1.00       8.4 +/-    1.00  0.030 / 0.040
G07     130.8          40.1                6.2 +/-    0.61       9.0 +/-    0.61  0.030 / 0.050
G11     64.2           38.4                3.5 +/-    0.88       5.2 +/-    0.88  0.040 / 0.050
G13     288.0          36.9                5.4 +/-    1.03       8.3 +/-    1.03  0.050 / 0.050
G15     310.1          13.1                3.9 +/-    1.05      10.2 +/-    1.05  0.090 / 0.200
G17     220.3          58.6                8.4 +/-    1.29       9.7 +/-    1.29  0.070 / 0.210
G19     217.8          33.4                7.4 +/-    0.99      12.0 +/-    0.99  0.040 / 0.070
G28     2.8            61.0                4.7 +/-    0.45       5.3 +/-    0.45  0.040 / 0.070
G30     122.8          66.5                6.2 +/-    0.57       6.7 +/-    0.57  0.050 / 0.090