Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7DIU callsign genealogy
Currently held by Rathbun, Lowell A
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 WA7DIU's current licensee, walking backwards.
- Rathbun, Lowell AORgranted 2012-12-07cancelled 2013-03-16
Successor callsigns
Callsigns held now by people who previously held WA7DIU.
No current licensee on record previously held this callsign.