Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD8OQX callsign genealogy
Currently held by PORTER, MICHAEL R
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 KD8OQX's current licensee, walking backwards.
- PORTER, MICHAEL RMIgranted 2009-08-25cancelled 2010-08-11
Successor callsigns
Callsigns held now by people who previously held KD8OQX.
- PORTER, MICHAEL RMIgranted 2009-08-25cancelled 2012-01-04