Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0PSY callsign genealogy
Currently held by FORMAN, WARREN S
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 KD0PSY's current licensee, walking backwards.
- FORMAN, WARREN SMOgranted 2011-08-16cancelled 2011-10-11
Successor callsigns
Callsigns held now by people who previously held KD0PSY.
- FORMAN, WARREN SMOgranted 2021-08-27