Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7OT callsign genealogy
Currently held by ELSTER, W KEITH
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 KK7OT's current licensee, walking backwards.
- KF9AMcancelledcancelled 1998-07-07
Successor callsigns
Callsigns held now by people who previously held KK7OT.
- ELSTER, W KEITHAZgranted 2013-11-22cancelled 2022-05-03