Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1POO callsign genealogy
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 K1POO's current licensee, walking backwards.
- JONES, JOHN LTXgranted 2009-04-07cancelled 2011-01-25
Successor callsigns
Callsigns held now by people who previously held K1POO.
- FORMATO, RICHARD AMAgranted 2007-08-04cancelled 2014-04-11
All historical holders
Every license row we've seen with the callsign K1POO, oldest first.
- JONES, JOHN L CO2021-03-02 active
- —— → cancelled 1997-09-17