Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4GCR callsign genealogy
Currently held by Greene County Amateur Radio Emergency Service LLC
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 W4GCR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4GCR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4GCR, oldest first.
- Greene County Amateur Radio Emergency Service LLC GA2001-04-10 → cancelled 2013-04-11
- Cavanaugh, Jeffrey D FL2025-04-11 active