Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6PHD callsign genealogy
Currently held by Chase, Michael 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 N6PHD's current licensee, walking backwards.
- Chase, Michael PCAgranted 2014-11-18cancelled 2014-12-16
Successor callsigns
Callsigns held now by people who previously held N6PHD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6PHD, oldest first.
- FARRELL, GARY S CA1997-03-31 → cancelled 2009-04-01
- Chase, Michael P CA2024-11-15 active