AirLink Group

Amateur Radio (Ham) Rig "Cheat Sheets"

Amazon Baofeng UV-5R Radios

National Association for Amateur Radio (ARRL)

Boulder Amateur Radio Club

Boulder County Amateur Radio Emergency Services (BCARES)

Coal Creek Canyon Fire Rescue

CU Mountain Research Station

Colorado 4x4 Rescue and Recovery

Colorado ARES

Colorado Connection

Colorado Emergency Reporting Net

Colorado Repeater Association (CRA)

Four Mile Fire Protection District

Fire and Smoke Map

Lightening Maps

Gold Hill Fire Protection District

HamStudy.org (study guide and app for to prepare for the ham test)

Lefthand Fire Protection District

Mountain View Fire Rescue

National Weather Service Boulder

National Weather Service Boulder

QRZ (searchable online directory of licensed ham users)

Repeaterbook

Rocky Mountain Ham Radio

Rocky Mountain Fire

Rocky Mountain Radio League

Sunshine Fire Protection District

Timberline Fire

Tin Hat Ranch YouTube Channel (great beginner ham videos)