PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/04-16:28:10
G02     220.1          61.8               10.7 +/-    0.64      12.0 +/-    0.64  0.080 / 0.350
G06     50.1           70.5               11.3 +/-    0.53      11.9 +/-    0.53  0.080 / 0.250
G12     318.9          38.5                8.0 +/-    0.81      12.0 +/-    0.81  0.040 / 0.050
G17     57.7           33.1                8.6 +/-    1.01      14.2 +/-    1.01  0.030 / 0.050
G19     44.6           45.4                9.8 +/-    0.59      13.1 +/-    0.59  0.030 / 0.030
G24     261.3          40.2               11.2 +/-    1.00      16.3 +/-    1.00  0.030 / 0.030
G28     123.3          16.5                8.7 +/-    3.03      20.9 +/-    3.03  0.060 / 0.100