Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0FU callsign genealogy
Currently held by Fitzpatrick, Gerard
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 AD0FU's current licensee, walking backwards.
- Fitzpatrick, GerardCOgranted 2013-10-17cancelled 2013-11-06
Successor callsigns
Callsigns held now by people who previously held AD0FU.
- Fitzpatrick, Gerard BSDgranted 2013-12-27cancelled 2026-03-07