Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1RCM callsign genealogy
Currently held by Mahaffey, Chris
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 W1RCM's current licensee, walking backwards.
- Mahaffey, ChrisTXgranted 2021-09-20cancelled 2021-10-08
Successor callsigns
Callsigns held now by people who previously held W1RCM.
No current licensee on record previously held this callsign.