Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1GPK callsign genealogy
Currently held by Keenan, Glenn P
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 W1GPK's current licensee, walking backwards.
- Keenan, Glenn PMAgranted 2010-05-08cancelled 2010-05-18
Successor callsigns
Callsigns held now by people who previously held W1GPK.
No current licensee on record previously held this callsign.