Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0FLY callsign genealogy
Currently held by Groom, Lawrence 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 W0FLY's current licensee, walking backwards.
- EDSON, JOHN CNEgranted 2006-02-22cancelled 2010-01-15
Successor callsigns
Callsigns held now by people who previously held W0FLY.
- Groom, Lawrence WMNgranted 2007-08-24cancelled 2008-06-21
All historical holders
Every license row we've seen with the callsign W0FLY, oldest first.
- Groom, Lawrence W MN1997-12-18 → cancelled 2007-08-24
- EDSON, JOHN C NE2019-10-29 active