Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6PDX callsign genealogy
Currently held by Dennison Jr., Mark S
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 K6PDX's current licensee, walking backwards.
- Dennison Jr., Mark SCAgranted 2020-06-22cancelled 2020-07-11
Successor callsigns
Callsigns held now by people who previously held K6PDX.
No current licensee on record previously held this callsign.