Radio Communications Flow

During planned or unplanned events, radio communication should be attempted in the following order:

Step 1: Use the channel designated for the incident or event; Step 2: Use the channel you last had reliable communications; Step 3: (use encryption first, then try without) If VHF, make contact on the DHSTAC channel; if UHF, make contact on the DHS-SIM channel; Step 4: If VHF, make contact on the IR 5 calling channel; if UHF, make contact on the IR 15 calling channel; Step 5: Try communication via any other means necessary (e.g., cell phone); Step 6:If radio communications are unsuccessful, report to the nearest command post location or equivalent