Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7SZ callsign genealogy
Currently held by JOHNSON SR, HAROLD W
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 KK7SZ's current licensee, walking backwards.
- cancelled 1999-05-11
Successor callsigns
Callsigns held now by people who previously held KK7SZ.
- JOHNSON SR, HAROLD WAZgranted 2013-04-12cancelled 2025-06-11