Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0IFF callsign genealogy
Currently held by Mulvin, Robert T
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 W0IFF's current licensee, walking backwards.
- Byron, Robert WIAgranted 2003-01-23cancelled 2003-04-08
Successor callsigns
Callsigns held now by people who previously held W0IFF.
No current licensee on record previously held this callsign.