Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9FW callsign genealogy
Currently held by Lahr, Don 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 AB9FW's current licensee, walking backwards.
- Lahr, Don RINgranted 1995-10-17cancelled 2002-06-06
Successor callsigns
Callsigns held now by people who previously held AB9FW.
- Lahr, Don RNVgranted 2022-06-03