Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5CYC callsign genealogy
Currently held by Hartman, David L
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 W5CYC's current licensee, walking backwards.
- Hartman, David LOKgranted 2006-02-16cancelled 2006-03-07
Successor callsigns
Callsigns held now by people who previously held W5CYC.
No current licensee on record previously held this callsign.