Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3DA callsign genealogy
Currently held by Miltenberger Jr, Sherwood R
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 AB3DA's current licensee, walking backwards.
- Miltenberger Jr, Sherwood RPAgranted 2003-06-25cancelled 2005-04-22
Successor callsigns
Callsigns held now by people who previously held AB3DA.
No current licensee on record previously held this callsign.