Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TOP callsign genealogy
Currently held by Cavanaugh, Joseph C
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 K4TOP's current licensee, walking backwards.
- Pendergraft, Travis OVAgranted 2015-02-06cancelled 2015-02-27
Successor callsigns
Callsigns held now by people who previously held K4TOP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TOP, oldest first.
- Cavanaugh, Joseph C VA2002-06-01 → cancelled 2014-06-03
- Pendergraft, Travis O VA2025-02-04 active