A household with grandparents, parents, and kids under one roof has more comms capacity than a single-family plan, but only if you actually divide the work instead of defaulting to whoever holds the ham license doing everything.
Not Everyone Needs the Same Radio or the Same Job
The licensed operator handles the ham gear and anything requiring actual radio skill. A capable adult who is not licensed can still run the GMRS layer competently. Grandparents might be best suited to a simple, always-on base station rather than a handheld they have to remember to carry. Match the role to the person, not the other way around.
Assign Roles the Way You’d Assign Fire Escape Routes
Every household already assigns specific responsibilities during a fire drill, who grabs the kids, who checks the other rooms. A comms plan deserves the same specificity: who monitors which channel, who relays messages between family members, who documents what actually happened.
The Backup for Every Role
Every role needs a second person who could step in, the same redundancy principle behind PACE planning applied to people instead of frequencies. A household this size usually has enough capable adults to cover this, the mistake is not deciding who the backup actually is until someone is suddenly unavailable.
Writing It Down So It Isn’t Just in Your Head
A multi-generational household has more moving parts than a single family, which makes writing the plan down even more important, not less. Follow the same format I lay out in documenting your SHTF communications plan, and actually run through it together the way I cover in training your family or group.
For the fuller picture on building real emergency communications capability, see my Emergency Communications and Preparedness pillar page.