Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6TDR callsign genealogy
Currently held by TENDICK, CULLEN 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 W6TDR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6TDR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6TDR, oldest first.
- TENDICK, CULLEN B AZ1998-07-14 → cancelled 2010-07-15
- VOGEL, AARON P CA2016-11-18 active