Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4OF callsign genealogy
Currently held by Humphreys, Charles T
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 KX4OF's current licensee, walking backwards.
- Humphreys, Charles TTNgranted 2018-08-17cancelled 2018-11-14
Successor callsigns
Callsigns held now by people who previously held KX4OF.
No current licensee on record previously held this callsign.