Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7OW callsign genealogy
Currently held by Larson, Heather 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 AD7OW's current licensee, walking backwards.
- Larson, Heather AUTgranted 2003-12-30cancelled 2007-06-26
Successor callsigns
Callsigns held now by people who previously held AD7OW.
No current licensee on record previously held this callsign.