PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-16:57:40
G02     214.6          55.1               12.3 +/-    0.48      14.7 +/-    0.48  0.030 / 0.070
G06     61.7           74.4               12.6 +/-    0.69      13.0 +/-    0.69  0.060 / 0.080
G12     319.1          37.9                9.7 +/-    0.80      14.5 +/-    0.80  0.040 / 0.060
G17     55.9           33.1                9.2 +/-    0.80      15.1 +/-    0.80  0.040 / 0.060
G19     32.1           53.3               10.8 +/-    0.57      13.1 +/-    0.57  0.070 / 0.270
G24     266.7          42.5               10.5 +/-    1.33      14.7 +/-    1.33  0.080 / 0.290
G28     120.8          15.7               10.7 +/-    1.27      26.2 +/-    1.27  0.060 / 0.080