Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9WTL callsign genealogy
Currently held by KIRSTEN, GEORGE R
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 W9WTL's current licensee, walking backwards.
- Kirsten II, Gordon GKSgranted 2009-06-16cancelled 2009-07-07
Successor callsigns
Callsigns held now by people who previously held W9WTL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9WTL, oldest first.
- KIRSTEN, GEORGE R WI1994-07-15 → cancelled 2006-07-18
- KIRSTEN II, GORDON G KS2019-07-19 active