Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JCO callsign genealogy
Currently held by Melhorn, Daniel F
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 W7JCO's current licensee, walking backwards.
- Melhorn, Daniel FWAgranted 2009-03-26cancelled 2018-07-24
Successor callsigns
Callsigns held now by people who previously held W7JCO.
No current licensee on record previously held this callsign.