Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9TOF callsign genealogy
Currently held by Klechowitz, Gerhard J
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 W9TOF's current licensee, walking backwards.
- KLECHOWITZ, GERHARD JWIgranted 2010-03-23cancelled 2013-12-10
Successor callsigns
Callsigns held now by people who previously held W9TOF.
No current licensee on record previously held this callsign.