PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/20-06:43:10
G01     44.8           20.8                2.1 +/-    1.03       4.6 +/-    1.03  0.050 / 0.060
G06     175.5          30.0                8.2 +/-    2.01      14.4 +/-    2.01  0.050 / 0.080
G11     44.4           14.5                2.2 +/-    2.14       5.6 +/-    2.14  0.080 / 0.230
G13     243.9          28.4                4.0 +/-    2.12       7.2 +/-    2.12  0.080 / 0.250
G15     276.6          15.1                4.6 +/-    2.52      11.4 +/-    2.52  0.050 / 0.050
G17     338.1          76.9                0.7 +/-    0.36       0.7 +/-    0.36  0.050 / 0.040
G19     256.5          66.1                6.1 +/-    1.01       6.6 +/-    1.01  0.180 / 0.510
G24     318.7          10.6              -17.4 +/-   15.11     -48.0 +/-   15.11  0.150 / 0.390
G28     48.0           56.3                4.9 +/-    0.54       5.8 +/-    0.54  0.060 / 0.070
G30     153.0          40.1                8.8 +/-    0.97      12.9 +/-    0.97  0.040 / 0.060