The coverage is all of the East half of Boulder County and all of Broomfield County, with some coverage into D-27 and the South West corner of D-10.
The District 15 BBS coverage map shows the interconnection and relationship of their network. The status of this BBS is unknown at this time.
The coverage is from Byers to the east, South of Castle Rock (The south end is MM-264 on I-25) and North to Windsor Basically the same coverage as 146.880 since they are on the same tower.
The District 27 BBS coverage map shows the overall coverage and strength of their node. Note that the D27 Cluster is currently off the air.