Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR8IVE callsign genealogy
Currently held by RETTKE, GRANT
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 KR8IVE's current licensee, walking backwards.
- Rettke, GrantWIgranted 2017-01-30cancelled 2017-02-18
Successor callsigns
Callsigns held now by people who previously held KR8IVE.
- RETTKE, GRANTWIgranted 2017-04-01cancelled 2019-10-04