Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6TTY callsign genealogy
Currently held by SWANBERG, JIM 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 W6TTY's current licensee, walking backwards.
- SWANBERG, JIM MNMgranted 2011-07-06cancelled 2011-12-30
Successor callsigns
Callsigns held now by people who previously held W6TTY.
No current licensee on record previously held this callsign.