Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3MMP callsign genealogy
Currently held by POETKER, MARK M
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K3MMP's current licensee, walking backwards.
- POETKER, MARK MMDgranted 2025-05-14cancelled 2025-06-03
Successor callsigns
Callsigns held now by people who previously held K3MMP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3MMP, oldest first.
- POETKER, MARK M MD2012-11-24 → cancelled 2024-12-04
- POETKER, MARK M MD2025-06-03 active