Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3WTR callsign genealogy
Currently held by Rock, Walter 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 W3WTR's current licensee, walking backwards.
- Rock, Walter TPAgranted 2010-12-21cancelled 2011-01-11
Successor callsigns
Callsigns held now by people who previously held W3WTR.
No current licensee on record previously held this callsign.