As of 12 August 2022, the new address for the Interop email box will be:

MADISON, Wis. – The Wisconsin Office of Emergency Communications is pleased to announce that the Wisconsin Field Operations Guide (WI-FOG) can now be accessed for free through the Cybersecurity and Infrastructure Security Agency (CISA) Public Safety Library mobile application.

The WI-FOG is a collection of radio communications technical reference material. It is intended to aid radio communications unit personnel during emergency incidents and planned events. This update was created with technical assistance from CISA.

To access the WI-FOG, please download the Public Safety Library app from Google Play or the Apple App Store. Once the app is downloaded, tap the library button on the bottom right of the app, and then download the published WI-FOG from the library. 

More information about the Public Safety Library app is available at

A PDF version of the WI-FOG is also available for download at