Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6POC callsign genealogy
Currently held by ULRICK, SIDNEY G
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 W6POC's current licensee, walking backwards.
- Farley, Keith CCAgranted 2010-04-20cancelled 2010-06-02
Successor callsigns
Callsigns held now by people who previously held W6POC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6POC, oldest first.
- ULRICK, SIDNEY G NV1995-10-31 → cancelled 2007-11-01
- FARLEY, KEITH C CA2020-04-08 active