Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TTB callsign genealogy
Currently held by Maas Mrs, Maggie H
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 W4TTB's current licensee, walking backwards.
- Maas Mrs, Margret HFLgranted 2007-02-21cancelled 2007-03-23
Successor callsigns
Callsigns held now by people who previously held W4TTB.
No current licensee on record previously held this callsign.