PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-15:28:00
G01     87.7           31.7                8.9 +/-    0.82      15.1 +/-    0.82  0.060 / 0.050
G07     127.1          39.7                9.7 +/-    0.69      14.1 +/-    0.69  0.070 / 0.050
G11     66.3           39.6                8.3 +/-    1.09      12.2 +/-    1.09  0.070 / 0.090
G13     292.2          37.4               12.7 +/-    2.08      19.3 +/-    2.08  0.060 / 0.080
G15     314.0          10.8               -1.9 +/-   22.91      -5.1 +/-   22.91  0.040 / 0.080
G17     214.7          52.9               11.5 +/-    1.02      14.0 +/-    1.02  0.040 / 0.060
G18     61.1           23.1                7.7 +/-    1.10      15.8 +/-    1.10  0.070 / 0.090
G19     214.3          29.4               11.3 +/-    2.30      20.0 +/-    2.30  0.070 / 0.110
G28     339.3          61.5                8.6 +/-    1.10       9.6 +/-    1.10  0.090 / 0.050
G30     112.4          72.7               10.0 +/-    0.80      10.4 +/-    0.80  0.060 / 0.050