Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB6MDH callsign genealogy
Currently held by Doolittle II, Robert F
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 WB6MDH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WB6MDH.
- Doolittle II, Robert FCAgranted 1995-04-12cancelled 2007-04-13