Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7IBS callsign genealogy
Currently held by ANDERSON, DON E
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 K7IBS's current licensee, walking backwards.
- Fowler, Ethan DORgranted 2019-11-26cancelled 2019-12-17
Successor callsigns
Callsigns held now by people who previously held K7IBS.
- ZUROWSKI, CALVIN LORgranted 2026-07-14
All historical holders
Every license row we've seen with the callsign K7IBS, oldest first.
- ANDERSON, DON E WA2000-01-25 → cancelled 2012-01-26
- ZUROWSKI, CALVIN L OR2014-10-28 → cancelled 2015-03-17
- Fowler, Ethan D OR2019-12-17 active