Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL7EE callsign genealogy
Currently held by Knapp, David 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 KL7EE's current licensee, walking backwards.
- Knapp, David AAKgranted 2018-08-13cancelled 2018-09-07
Successor callsigns
Callsigns held now by people who previously held KL7EE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL7EE, oldest first.
- Buck, Charles L WA2005-10-24 → cancelled 2018-01-17
- Knapp, David A AK2018-09-07 active