Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1TZ callsign genealogy
Currently held by Lambert, John 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 WA1TZ's current licensee, walking backwards.
- Lambert, John DVAgranted 2016-08-08cancelled 2016-08-26
Successor callsigns
Callsigns held now by people who previously held WA1TZ.
No current licensee on record previously held this callsign.