Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GHQ callsign genealogy
Currently held by McCullough Jr., GUY M
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 K4GHQ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4GHQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GHQ, oldest first.
- FOSTER, JOSEPH D AL2018-09-12 → cancelled 2019-08-06
- McCullough Jr., GUY M AL2021-09-03 active