Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7DOG callsign genealogy
Currently held by Kalmbach, Christopher J
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 KK7DOG's current licensee, walking backwards.
- Kalmbach, Christopher JWAgranted 2023-03-10cancelled 2023-10-11
Successor callsigns
Callsigns held now by people who previously held KK7DOG.
No current licensee on record previously held this callsign.