Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7NXS callsign genealogy
Currently held by GRANNAN, FREDERICK 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 KK7NXS's current licensee, walking backwards.
- GRANNAN, FREDERICK JWAgranted 2020-05-21cancelled 2020-06-09
Successor callsigns
Callsigns held now by people who previously held KK7NXS.
No current licensee on record previously held this callsign.