Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB9KMT callsign genealogy
Currently held by Diehl Sr, Robert H
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 WB9KMT's current licensee, walking backwards.
- Diehl Sr, Robert HILgranted 2005-11-16cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held WB9KMT.
- Diehl Sr, Robert HILgranted 2020-01-07