Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD8CZH callsign genealogy
Currently held by Putnam, Robert B
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 WD8CZH's current licensee, walking backwards.
- Putnam, Robert BOHgranted 2000-03-17cancelled 2006-11-14
Successor callsigns
Callsigns held now by people who previously held WD8CZH.
No current licensee on record previously held this callsign.