Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8CPT callsign genealogy
Currently held by MCCHRISTIAN JR, DONALD M
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 W8CPT's current licensee, walking backwards.
- MCCHRISTIAN JR, DONALD MMIgranted 2023-01-20cancelled 2023-05-13
Successor callsigns
Callsigns held now by people who previously held W8CPT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8CPT, oldest first.
- VANDERWEELE, JOHN T MI2006-05-17 → cancelled 2018-08-02
- MCCHRISTIAN JR, DONALD M MI2023-05-13 active