PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-04:58:10
G08     310.4          18.5                8.2 +/-    1.44      18.8 +/-    1.44  0.040 / 0.060
G10     335.2          60.6                4.6 +/-    0.39       5.2 +/-    0.39  0.030 / 0.060
G14     217.7          31.2               10.7 +/-    0.80      18.2 +/-    0.80  0.080 / 0.200
G20     38.2           60.2                7.0 +/-    0.79       7.9 +/-    0.79  0.090 / 0.200
G21     134.6          56.6                7.3 +/-    0.95       8.6 +/-    0.95  0.070 / 0.080
G24     73.4           29.9                5.5 +/-    0.94       9.7 +/-    0.94  0.070 / 0.080
G27     275.9          37.4                9.5 +/-    0.88      14.4 +/-    0.88  0.030 / 0.040
G32     223.0          49.5               10.7 +/-    1.78      13.6 +/-    1.78  0.030 / 0.040