PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-17:27:50
G03     214.0          61.3               10.3 +/-    1.13      11.6 +/-    1.13  0.040 / 0.040
G07     254.8          16.4               11.0 +/-    3.59      26.4 +/-    3.59  0.030 / 0.040
G09     307.8          24.0                9.2 +/-    1.30      18.4 +/-    1.30  0.130 / 0.120
G16     120.4          63.4               10.2 +/-    0.42      11.3 +/-    0.42  0.080 / 0.140
G22     188.1          44.5               11.4 +/-    0.82      15.5 +/-    0.82  0.120 / 0.270
G23     324.8          54.8               10.1 +/-    0.30      12.1 +/-    0.30  0.090 / 0.170
G26     62.4           50.7                8.8 +/-    0.92      11.0 +/-    0.92  0.040 / 0.040
G31     56.0           15.6                7.7 +/-    2.43      18.8 +/-    2.43  0.040 / 0.040