PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-21:58:10
G01     77.9           33.0               10.9 +/-    1.44      18.0 +/-    1.44  0.060 / 0.090
G07     133.4          31.5               13.0 +/-    1.07      22.1 +/-    1.07  0.050 / 0.080
G11     57.1           34.0                9.9 +/-    2.88      16.0 +/-    2.88  0.040 / 0.050
G13     281.7          38.5                8.4 +/-    1.21      12.5 +/-    1.21  0.040 / 0.050
G15     307.3          14.0                9.5 +/-    1.59      24.2 +/-    1.59  0.070 / 0.090
G17     223.1          65.0               12.4 +/-    0.80      13.6 +/-    0.80  0.130 / 0.090
G18     51.8           19.3               10.0 +/-    1.85      22.3 +/-    1.85  0.060 / 0.140
G19     219.3          36.1               14.3 +/-    1.68      22.2 +/-    1.68  0.060 / 0.100
G28     360.0          61.3               10.7 +/-    1.14      12.0 +/-    1.14  0.030 / 0.030
G30     127.9          67.0               12.3 +/-    0.32      13.3 +/-    0.32  0.030 / 0.040