Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7DHL callsign genealogy
Currently held by m haugstad, jon 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 W7DHL's current licensee, walking backwards.
- Haugstad, Jon MWAgranted 1999-12-21cancelled 2007-02-13
Successor callsigns
Callsigns held now by people who previously held W7DHL.
No current licensee on record previously held this callsign.