Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0KOM callsign genealogy
Currently held by KIEFFER, THOMAS P
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 W0KOM's current licensee, walking backwards.
- KIEFFER, THOMAS PNCgranted 2001-06-29cancelled 2002-04-23
Successor callsigns
Callsigns held now by people who previously held W0KOM.
No current licensee on record previously held this callsign.