Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7PY callsign genealogy
Currently held by MACK, W LEE
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 K7PY's current licensee, walking backwards.
- WARDEN, FRED LAZgranted 2011-06-09cancelled 2014-04-11
Successor callsigns
Callsigns held now by people who previously held K7PY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7PY, oldest first.
- MACK, W LEE WA2007-09-11 → cancelled 2012-03-21
- WARDEN, FRED L AZ2024-02-21 active