Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LFX callsign genealogy
Currently held by HARRISON, MARTIN R
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 W4LFX's current licensee, walking backwards.
- HARRISON, MARTIN RFLgranted 2012-04-16cancelled 2012-06-02
Successor callsigns
Callsigns held now by people who previously held W4LFX.
No current licensee on record previously held this callsign.