Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6KK callsign genealogy
Currently held by MANN JR, ROBERT 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 KK6KK's current licensee, walking backwards.
- Sabev, SabiILgranted 2019-05-28cancelled 2019-07-16
Successor callsigns
Callsigns held now by people who previously held KK6KK.
- ADAMS, WILLIAM JCAgranted 2017-06-20cancelled 2020-03-17
All historical holders
Every license row we've seen with the callsign KK6KK, oldest first.
- WILSON, WILLIAM L CA1990-05-08 → cancelled 2002-05-09
- MANN JR, ROBERT W CA2004-08-24 → cancelled 2016-08-25
- ADAMS, WILLIAM J CA2017-01-18 → cancelled 2017-06-20
- Sabev, Sabi IL2019-07-16 active