Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5ZPM callsign genealogy
Currently held by STEPHENSON, RYAN A
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 K5ZPM's current licensee, walking backwards.
- STEPHENSON, RYAN ATXgranted 2015-12-01cancelled 2015-12-19
Successor callsigns
Callsigns held now by people who previously held K5ZPM.
No current licensee on record previously held this callsign.