Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH6DTR callsign genealogy
Currently held by Gannon, Anthony S
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 WH6DTR's current licensee, walking backwards.
- Gannon, Anthony SHIgranted 2011-03-09cancelled 2011-07-15
Successor callsigns
Callsigns held now by people who previously held WH6DTR.
- Gannon, Anthony SNMgranted 2021-07-30