Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1PUP callsign genealogy
Currently held by Diiorio, Theodora M
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 W1PUP's current licensee, walking backwards.
- Diiorio, Theodora MRIgranted 2015-10-09cancelled 2019-09-04
Successor callsigns
Callsigns held now by people who previously held W1PUP.
No current licensee on record previously held this callsign.