Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4AAC callsign genealogy
Currently held by Calderon, Amparo 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 WA4AAC's current licensee, walking backwards.
- Calderon, Amparo ASCgranted 2001-08-31cancelled 2001-09-25
Successor callsigns
Callsigns held now by people who previously held WA4AAC.
No current licensee on record previously held this callsign.