Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3MOZ callsign genealogy
Currently held by GLEN FILER MEMORIAL AMATEUR RADIO CLUB
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 W3MOZ's current licensee, walking backwards.
- KB3TDEcancelledGLEN FILER MEMORIAL AMATEUR RADIO CLUBPAgranted 2009-07-06cancelled 2009-07-25
Successor callsigns
Callsigns held now by people who previously held W3MOZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3MOZ, oldest first.
- FILER, GLEN A PA1997-11-19 → cancelled 2001-03-19
- GLEN FILER MEMORIAL AMATEUR RADIO CLUB PA2019-06-07 active