Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7BAM callsign genealogy
Currently held by Martin, Michael B
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 KD7BAM's current licensee, walking backwards.
- Martin, Michael BARgranted 2018-08-03cancelled 2018-08-28
Successor callsigns
Callsigns held now by people who previously held KD7BAM.
- Martin, Michael BARgranted 2019-05-03
All historical holders
Every license row we've seen with the callsign KD7BAM, oldest first.
- WHEELER, BONNIE K AZ1998-03-19 → cancelled 2010-03-20
- Martin, Michael B AR2018-08-28 → cancelled 2019-05-03