Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DBO callsign genealogy
Currently held by Jacobs, Johnathan W
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 W7DBO's current licensee, walking backwards.
- JACOBS, JOHNATHAN WUTgranted 2007-12-13cancelled 2015-01-09
Successor callsigns
Callsigns held now by people who previously held W7DBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DBO, oldest first.
- JACOBS, JAMES A UT2005-06-08 → cancelled 2013-01-18
- Jacobs, Johnathan W UT2024-11-13 active