Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SPN callsign genealogy
Currently held by CROSS, DEAN 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 K4SPN's current licensee, walking backwards.
- SPENCER, MICHAEL DVAgranted 2014-08-08cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held K4SPN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SPN, oldest first.
- CROSS, DEAN H FL1988-02-09 → cancelled 2000-02-10
- SPENCER, MICHAEL D VA2015-10-06 active