Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5KMM callsign genealogy
Currently held by Chapin, Jonathan P
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 W5KMM's current licensee, walking backwards.
- Chapin, Jonathan PMEgranted 2019-08-09cancelled 2019-08-30
Successor callsigns
Callsigns held now by people who previously held W5KMM.
No current licensee on record previously held this callsign.