Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9BFY callsign genealogy
Currently held by Logsdon, Martin L
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 K9BFY's current licensee, walking backwards.
- Logsdon, Martin LNYgranted 2016-04-19cancelled 2016-05-21
Successor callsigns
Callsigns held now by people who previously held K9BFY.
- LOGSDON, MARTIN LNYgranted 2026-05-06