PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-16:43:10
G01     46.3           22.4                6.8 +/-    0.99      14.1 +/-    0.99  0.150 / 0.350
G06     176.6          28.5               10.0 +/-    1.02      18.1 +/-    1.02  0.180 / 0.440
G11     43.7           11.8                6.6 +/-    0.99      17.7 +/-    0.99  0.040 / 0.060
G13     245.2          28.7                8.6 +/-    1.30      15.5 +/-    1.30  0.040 / 0.060
G15     279.3          15.0                7.8 +/-    2.10      19.5 +/-    2.10  0.180 / 0.370
G17     323.6          77.5                9.4 +/-    0.98       9.6 +/-    0.98  0.170 / 0.400
G19     253.9          64.3                8.9 +/-    0.48       9.7 +/-    0.48  0.080 / 0.160
G24     318.6          11.1              -11.0 +/-   30.61     -29.9 +/-   30.61  0.080 / 0.160
G28     50.8           54.9                8.3 +/-    0.27       9.9 +/-    0.27  0.030 / 0.030
G30     150.8          35.0               10.4 +/-    1.28      16.6 +/-    1.28  0.030 / 0.040