Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8SPL callsign genealogy
Currently held by Supplee, Michael N
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 K8SPL's current licensee, walking backwards.
- Supplee, Michael NMIgranted 2015-07-21cancelled 2015-08-08
Successor callsigns
Callsigns held now by people who previously held K8SPL.
- Supplee, Michael NMIgranted 2025-11-26