Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB1UW callsign genealogy
Currently held by Schwartz, Robert G
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 AB1UW's current licensee, walking backwards.
- Schwartz, Robert GCTgranted 2013-11-12cancelled 2013-12-16
Successor callsigns
Callsigns held now by people who previously held AB1UW.
- Schwartz, Robert GCTgranted 2023-11-04