Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ROC callsign genealogy
Currently held by FRENICK, CHARLES T
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 W0ROC's current licensee, walking backwards.
- Hunter, James LMOgranted 2014-02-06cancelled 2014-03-11
Successor callsigns
Callsigns held now by people who previously held W0ROC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0ROC, oldest first.
- FRENICK, CHARLES T KS2000-01-20 → cancelled 2012-01-21
- Hunter, James L MO2014-03-11 → cancelled 2026-03-12