Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1CH callsign genealogy
Currently held by CORBETT, ROBERT D
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 W1CH's current licensee, walking backwards.
- MESTER, LOUIS DRIgranted 1998-03-06cancelled 2000-10-11
Successor callsigns
Callsigns held now by people who previously held W1CH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1CH, oldest first.
- CORBETT, ROBERT D CT1988-09-20 → cancelled 2000-09-22
- Mester, Louis D FL2020-09-24 active