Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3IFO callsign genealogy
Currently held by Hoofnagle III, Joseph B
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 K3IFO's current licensee, walking backwards.
- Hoofnagle III, Joseph BMDgranted 2016-12-05cancelled 2019-04-23
Successor callsigns
Callsigns held now by people who previously held K3IFO.
No current licensee on record previously held this callsign.