Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6GPG callsign genealogy
Currently held by MC COLLUM, HELEN W
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 N6GPG's current licensee, walking backwards.
- Grenfell, Gregary PCAgranted 2002-05-22cancelled 2010-09-11
Successor callsigns
Callsigns held now by people who previously held N6GPG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6GPG, oldest first.
- MC COLLUM, HELEN W CA1996-12-17 → cancelled 2008-12-18
- Grenfell, Gregary P CA2020-07-17 active