Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT9O callsign genealogy
Currently held by McChesney, Steven A
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 WT9O's current licensee, walking backwards.
- McChesney, Steven ANYgranted 2012-04-18cancelled 2022-01-07
Successor callsigns
Callsigns held now by people who previously held WT9O.
- MEINKE, RICHARD MMOgranted 2002-03-26cancelled 2011-11-08
All historical holders
Every license row we've seen with the callsign WT9O, oldest first.
- MEINKE, RICHARD M MO1996-08-09 → cancelled 2002-03-26
- Palmer, Larry R IL2009-11-21 → cancelled 2021-11-23
- McChesney, Steven A NY2022-01-07 active