- K0USY Kansas state DMR repeater network
- DMR-MARC — Hosts the Worldwide, North America, and regional talk groups in use by NoCO network.
- Rocky Mountain Ham Radio – An extensive Amateur MOTOTRBO network for the Colorado Front Range region.
- Shy-Wy Amateur Radio Club (Cheyenne,WY)
- Utah state DMR network
- DMR ID Registration – The place to go to register you amateur callsign and get a DMR ID
- DMRX project — Provides centralized, redundant CC link connections for the ham C-Bridge and Brandmeister communities.
- DCI Network –Provides several other network links that the NoCO network uses. This page also has extensive technical information regarding MOTOTRBO and its usage in ham radio.
- MOTOTRBO Yahoo Group
- W2XAB Amateur Radio DMR Guide
- AmateurRadio.digital – Tools to manage your Digital Radio experience
- Amateur Radio Notes by KE0FHS– Superb Digital Hardware and Software Procedures