Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4MJB callsign genealogy
Currently held by BAILEY, MARK J
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 W4MJB's current licensee, walking backwards.
- BAILEY, MARK JTNgranted 2003-01-13cancelled 2012-10-05
Successor callsigns
Callsigns held now by people who previously held W4MJB.
- Aukamp, David WFLgranted 2002-08-17cancelled 2002-09-17
All historical holders
Every license row we've seen with the callsign W4MJB, oldest first.
- Aukamp, David W FL1996-10-10 → cancelled 2002-08-17
- BAILEY, MARK J TN2022-11-17 active