Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH7DB callsign genealogy
Currently held by Bumanglag, Daniel O
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 KH7DB's current licensee, walking backwards.
- Bumanglag, Daniel OHIgranted 2016-07-12cancelled 2016-10-01
Successor callsigns
Callsigns held now by people who previously held KH7DB.
- GARCIA JR, EUGENE MHIgranted 2008-09-05cancelled 2020-12-02
All historical holders
Every license row we've seen with the callsign KH7DB, oldest first.
- Bumanglag, Daniel O AP2026-07-16 active
- GARCIA JR, EUGENE M— → cancelled 1998-12-01