Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3PQ callsign genealogy
Currently held by PIERSON, HOWARD E J
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 K3PQ's current licensee, walking backwards.
- Grimm, Christopher CPAgranted 2010-12-21cancelled 2016-12-16
Successor callsigns
Callsigns held now by people who previously held K3PQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3PQ, oldest first.
- PIERSON, HOWARD E J TX2004-11-26 → cancelled 2016-11-29
- Grimm, Christopher C PA2016-12-16 active