Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD8PSD callsign genealogy
Currently held by MILLER, CHRISTOPHER 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 KD8PSD's current licensee, walking backwards.
- MILLER, CHRISTOPHER ROHgranted 2014-09-10cancelled 2015-10-14
Successor callsigns
Callsigns held now by people who previously held KD8PSD.
- Ferrett, Robert LMIgranted 2011-04-26cancelled 2023-04-27
All historical holders
Every license row we've seen with the callsign KD8PSD, oldest first.
- Ferrett, Robert L MI2011-03-14 → cancelled 2011-04-26
- MILLER, CHRISTOPHER R OH2015-10-14 active