PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-15:58:00
G03     217.4          64.2               10.0 +/-    0.98      11.0 +/-    0.98  0.080 / 0.250
G07     252.2          14.7                8.3 +/-    1.80      20.9 +/-    1.80  0.140 / 0.180
G09     305.7          20.9                6.8 +/-    1.79      14.7 +/-    1.79  0.050 / 0.050
G14     103.5          10.5               11.0 +/-    4.24      30.3 +/-    4.24  0.040 / 0.030
G16     128.1          61.0               10.6 +/-    0.88      11.9 +/-    0.88  0.120 / 0.280
G22     188.2          47.4               10.2 +/-    1.47      13.3 +/-    1.47  0.110 / 0.200
G23     322.4          52.3                8.6 +/-    0.61      10.6 +/-    0.61  0.310 / 0.370
G26     66.4           52.0                7.8 +/-    0.87       9.6 +/-    0.87  0.220 / 0.420
G31     54.3           17.4                6.8 +/-    2.21      15.9 +/-    2.21  0.040 / 0.060