Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4MNS callsign genealogy
Currently held by HARPER, JEFFREY D
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 WB4MNS's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WB4MNS.
- HARPER, JEFFREY DALgranted 2012-02-29cancelled 2013-02-20