Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD8FA callsign genealogy
Currently held by SIMOPOULOS, MARTHA
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 AD8FA's current licensee, walking backwards.
- SIMOPOULOS, MARTHAOHgranted 2013-10-24cancelled 2019-11-12
Successor callsigns
Callsigns held now by people who previously held AD8FA.
No current licensee on record previously held this callsign.