Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY9I callsign genealogy
Currently held by Marcum, Roger 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 WY9I's current licensee, walking backwards.
- Marcum, Roger AILgranted 2003-01-10cancelled 2009-07-21
Successor callsigns
Callsigns held now by people who previously held WY9I.
- GRIGGS, WILLIAM TINgranted 2017-04-28