http://www.beargreasearc.com

Wisconsin Association of Repeaters (WAR)

http://www.waarn.net/

Minnesota Statutes Amateur operation

Arrowhead Radio Amateurs Club

Brainerd Area Amateur Radio Club

Still Water Amateur Radio Association

W0IDS Repeater Systems

Computer Automation Technology (CAT Controllers)

S COM Controllers

Sinclair Products

Digi-Key Electronics

ICM Crystals

Echo Link

Wisconsin APRS

John Beargrease Marathon

Celestron Home

AAS Astronomy Club

RC Optical Systems

Seeing In The Dark

Meade Home

Ballantyne of Omaha Inc.

Strong communications

QRZ Database

Weather Underground

http://www.spaceweather.com/

Intellicast Weather Duluth