PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-22:58:00
G01     97.3           29.4                7.9 +/-    0.67      14.0 +/-    0.67  0.050 / 0.120
G07     120.1          46.6               10.4 +/-    0.50      13.7 +/-    0.50  0.040 / 0.050
G08     41.6           11.1                6.5 +/-    1.21      17.6 +/-    1.21  0.050 / 0.140
G11     74.5           41.4                8.7 +/-    0.54      12.4 +/-    0.54  0.060 / 0.120
G13     301.2          34.2                8.4 +/-    0.75      13.5 +/-    0.75  0.020 / 0.030
G17     209.0          49.0               10.5 +/-    1.54      13.4 +/-    1.54  0.030 / 0.040
G18     67.1           23.3                7.1 +/-    0.94      14.5 +/-    0.94  0.060 / 0.120
G19     211.5          20.6               10.4 +/-    0.90      22.6 +/-    0.90  0.060 / 0.240
G28     328.4          61.2                6.7 +/-    0.71       7.5 +/-    0.71  0.030 / 0.050
G30     74.7           79.5                7.8 +/-    0.52       7.9 +/-    0.52  0.030 / 0.060