Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5MHR callsign genealogy
Currently held by PITTMAN, JAMES H
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 K5MHR's current licensee, walking backwards.
- Rousseau, Mark HMAgranted 2024-06-05cancelled 2025-04-04
Successor callsigns
Callsigns held now by people who previously held K5MHR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5MHR, oldest first.
- PITTMAN, JAMES H MS1998-05-04 → cancelled 2010-05-05
- Rousseau, Mark H MA2025-04-04 active