Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GUF callsign genealogy
Currently held by GUFFEY, JAMES W
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 K4GUF's current licensee, walking backwards.
- GUFFEY, JAMES WTNgranted 2012-08-15cancelled 2016-01-16
Successor callsigns
Callsigns held now by people who previously held K4GUF.
No current licensee on record previously held this callsign.