Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9FYI callsign genealogy
Currently held by MANN, JUSTIN W
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 W9FYI's current licensee, walking backwards.
- MANN, JUSTIN WAZgranted 2003-03-13cancelled 2004-04-06
Successor callsigns
Callsigns held now by people who previously held W9FYI.
- MANN, JUSTIN WTXgranted 2020-05-12