Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2MXB callsign genealogy
Currently held by HENNEBERG, MARK F
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 W2MXB's current licensee, walking backwards.
- HENNEBERG, MARK FNJgranted 1993-09-28cancelled 1999-11-18
Successor callsigns
Callsigns held now by people who previously held W2MXB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2MXB, oldest first.
- HENNEBERG, FRANK J FL1987-08-25 → cancelled 1999-09-01
- HENNEBERG, MARK F CO2019-11-01 active