Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1TD callsign genealogy
Currently held by Paris, Michael S
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 AB1TD's current licensee, walking backwards.
- Paris, Michael SNHgranted 2010-04-22cancelled 2013-04-11
Successor callsigns
Callsigns held now by people who previously held AB1TD.
- Paris, Michael SILgranted 2023-05-09