I tried to draw them on a map with output of
http://www.ttnstatus.org/gateways
How is this output coming in the url above?
https://www.freemaptools.com/radius-around-point.htm
used input as below with range of 3 km
52.37283,4.90041,3
52.37361,4.88664,3
52.3599,4.89861,3
52.10208,5.18013,3
52.69021,4.70053,3
59.43799,2.479339,3
50.97113,5.82451,3
52.34184,4.82978,3
51.52865,-.012691,3
51.40736,-.126244,3
53.21388,6.56654,3
52.4551,1.695549,3
52.18331,5.39639,3
52.09296,5.08608,3
52.6309,4.73459,3
50.13998,8.74368,3
52.08967,5.11413,3
53.18977,6.55738,3
52.5,4.956,3
53.1338,6.5676,3
47.40457,8.49659,3
-3.458772,-.5843257,3
51.44103,-.096742,3
52.21333,5.47029,3
52.39776,5.31575,3
-3.379613,1.5121191,3