Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7AI callsign genealogy
Currently held by Kammler, Kenneth D
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 KK7AI's current licensee, walking backwards.
- Kammler, Kenneth DNVgranted 2015-09-25cancelled 2016-09-10
Successor callsigns
Callsigns held now by people who previously held KK7AI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK7AI, oldest first.
- COOPER, GLORIA W AZ2002-07-09 → cancelled 2014-10-07
- Kammler, Kenneth D CO2026-08-29 active