Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4PY callsign genealogy
Currently held by Standish, Frank C
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 KK4PY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KK4PY.
- WELSH, JO ANN KCAgranted 2017-12-28
All historical holders
Every license row we've seen with the callsign KK4PY, oldest first.
- Standish, Frank C FL2026-07-21 active
- —— → cancelled 1997-11-21