Confidence: Medium · Source: FCC ULS · As of 2026-09-15
W7MFH callsign genealogy
Currently held by Halvorsen Jr, Martin
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 W7MFH's current licensee, walking backwards.
- Halvorsen Jr, MartinWAgranted 2012-11-21cancelled 2014-06-24
Successor callsigns
Callsigns held now by people who previously held W7MFH.
No current licensee on record previously held this callsign.