Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6II callsign genealogy
Currently held by HOLM, EDWARD A
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 K6II's current licensee, walking backwards.
- Wittenbecher, John DavidWAgranted 2007-09-28cancelled 2008-04-01
Successor callsigns
Callsigns held now by people who previously held K6II.
- Nguyen, LanAKgranted 2015-12-25cancelled 2017-08-08
All historical holders
Every license row we've seen with the callsign K6II, oldest first.
- HOLM, EDWARD A CA1997-05-30 → cancelled 1999-06-22
- Nguyen, Lan P CA2002-07-16 → cancelled 2006-03-11
- Wittenbecher, John David WA2018-01-19 active