PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-01:42:40
G01     39.5           13.6                4.0 +/-    3.20      10.4 +/-    3.20  0.060 / 0.070
G02     198.8          13.3                9.1 +/-    3.10      23.6 +/-    3.10  0.050 / 0.060
G06     175.2          42.3               10.3 +/-    0.85      14.4 +/-    0.85  0.360 / 0.170
G13     235.1          19.5                9.3 +/-    4.33      20.7 +/-    4.33  0.150 / 0.380
G15     266.8          11.0                8.7 +/-    1.92      23.8 +/-    1.92  0.080 / 0.070
G17     2.8            69.0                6.4 +/-    0.51       6.8 +/-    0.51  0.060 / 0.060
G19     289.9          70.6                6.9 +/-    0.59       7.2 +/-    0.59  0.020 / 0.030
G24     315.4          21.8                5.6 +/-    3.25      11.9 +/-    3.25  0.030 / 0.030
G28     77.2           44.5                6.8 +/-    0.93       9.2 +/-    0.93  0.270 / 0.510
G30     154.5          20.7                7.9 +/-    2.00      17.0 +/-    2.00  0.200 / 0.290