Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1PN callsign genealogy
Currently held by Thornton, R Rex
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 K1PN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K1PN.
- DE FRANCESCO, MICHAEL PRIgranted 2021-03-25
All historical holders
Every license row we've seen with the callsign K1PN, oldest first.
- DE FRANCESCO, MICHAEL P RI2000-08-11 → cancelled 2001-06-08
- Thornton, R Rex ME2023-06-06 active