As described in DBS-01 Section 12, the radio astronomy sites protected are:
12. Protection of Radio Astronomy
In order to protect radio astronomy observatories, a WSDB shall not permit the use of WSDs on any channel within a distance of 2.4 km from the following coordinates:
- The Dominion Radio Astrophysical Observatory, located near Penticton, British Colombia (latitude 49° 19' 12" N, longitude 119° 37' 12" W); and
- Algonquin Provincial Park in Ontario (latitude 45° 57' 19.8" N, longitude 78°4' 22.95" W).