Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MP callsign genealogy
Currently held by Denny, Laurence L
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 K9MP's current licensee, walking backwards.
- Denny, Laurence LMNgranted 2015-05-18cancelled 2021-02-12
Successor callsigns
Callsigns held now by people who previously held K9MP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9MP, oldest first.
- PRAH, MICHAEL W WI2008-10-29 → cancelled 2021-01-23
- Denny, Laurence L MN2021-02-12 active